Approved Asphalt and Concrete Mix Designs

Street construction in Fort Collins requires selection from approved asphalt and/or concrete mix designs.

For questions, contact our Streets Department at 970-221-6615 or streets@fortcollins.gov.

Asphalt Mix Designs

Supplier	Mix	Grading	RAP %	AC Supplier	PG Binder	Street Classification	Min/Max Lift Thickness	Expiration Date
Connell	10150	SX 75	20	Suncor	64-22	Residential All Lifts	1.5" / 3"	May 8, 2027
Connell	10250	SX 75	0	Suncor	64-22	Residential All Lifts	1.5" / 3"	May 8, 2027
Connell	11050	SX 75	20	Suncor	64-28 (modified)	Arterial/Major Collector/Industrial/Commercial Top Lifts	1.5" / 3"	May 8, 2027
Connell	12050	SX 75	20	Suncor	58-28	Residential/Minor Collector All Lifts Arterial Lower Lifts	1.5" / 3"	May 8, 2027
Connell	20150	S75	20	Suncor	64-22	Residential/Minor Collector All Lifts Arterial/Major Collector/Industrial/Commercial Lower Lifts	2" / 4"	May 8, 2027
Connell	20250	S 75	0	Suncor	64-22	Residential/Minor Collector All Lifts Arterial/Major Collector/Industrial/Commercial Lower Lifts	2" / 4"	May 8, 2027
Connell	20350	S 75	20	Suncor	64-22	Residential/Minor Collector All Lifts Arterial/Major Collector/Industrial/Commercial Lower Lifts	2" / 4"	Expired
Connell	21050	S 75	20	Suncor	64-28 (modified)	Arterial/Major Collector/Industrial/Commercial Top Lifts	2" / 4"	May 8, 2027
Connell	22050	S 75	20	Suncor	58-28	Residential/Minor Collector All Lifts Arterial Lower Lifts	2" / 4"	May 8, 2027
Holcim	13-800074	SX 75	20	Suncor	64-22	Residential/Minor Collector All Lifts Arterial/Major Collector/Industrial/Commercial Lower Lifts	2" / 4"	Expired
Holcim	28-800081	S 75	20	Suncor	64-22	Residential All Lifts	1.5" / 3"	Expired
Martin Marietta	1223-5461	SX 75	20	Suncor	58-28	Residential/Minor Collector All Lifts Arterial Lower Lifts	1.5" / 3"	April 29, 2027
Martin Marietta	1225-5588	SX 75	30	Suncor	58-28	Residential/Minor Collector All Lifts Arterial Lower Lifts	1.5" / 3"	April 29, 2027
Martin Marietta	1243-5462	SX 75	20	Suncor	64-22	Residential All Lifts	1.5" / 3"	April 29, 2027
Martin Marietta	1243-5462 (Greeley)	SX 75	20	Suncor	64-22	Residential All Lifts	1.5" / 3"	April 29, 2027
Martin Marietta	1253-5473 (Including WMA mix)	SX 75	20	Suncor	64-28 (modified)	Arterial/Major Collector/Industrial/Commercial Top Lifts	1.5" / 3"	April 29, 2027
Martin Marietta	1253-5473 (Greeley) (Including WMA mix)	SX 75	20	Suncor	64-28 (modified)	Arterial/Major Collector/Industrial/Commercial Top Lifts	1.5" / 3"	April 29, 2027
Martin Marietta	2223-5492	S 75	20	Suncor	58-28	Residential/Minor Collector All Lifts Arterial Lower Lifts	2" / 4"	Expired
Martin Marietta	2225-5589	S 75	30	Suncor	58-28	Residential/Minor Collector All Lifts Arterial Lower Lifts	2" / 4"	Expired
Martin Marietta	2243-5493	S 75	20	Suncor	64-22	Residential/Minor Collector All Lifts Arterial Lower Lifts	2" / 4"	April 29, 2027
Martin Marietta	2243-5493 (Greeley)	S 75	20	Suncor	64-22	Residential/Minor Collector All Lifts Arterial Lower Lifts	2" / 4"	April 29, 2027
Martin Marietta	2253-5494 (Including WMA mix)	S 75	20	Suncor	64-28 (modified)	Arterial/Major Collector/Industrial/Commercial Top Lifts	2" / 4"	April 29, 2027
Simon		SX 75	20	Ergon	64-22	Residential All Lifts	1.5" / 3"	Expired
Simon		S 75	15	Jebro	64-22	Residential All Lifts	1.5" / 3"	Expired

Concrete Mix Designs

Material Supplier	Mix ID	Strength	Age	Intended Use	Expiration Date
Aggregate Industries	9456023	4500 psi	28 Days	As Required CDOT Class B/D/P	Expired
Aggregate Industries	9456741	4500 psi	28 Days	CDOT Class P / 24 Hr High Early	Expired
Bestway Concrete	4531495	4500 psi	28 Days	CDOT Class B/D/P	Expired
Bestway Concrete	4531275	4500 psi	28 Days	CDOT Class B/D/P Low Slump	Expired
Burnco	01CBU0A9F	50-150 psi	28 Days	CDOT CLSM	Trial in Review
Burnco	30VS11D6X	4500 psi	28 Days	24 Hr High Early	Dec. 2, 2026
Burnco	30VS11P6W	4500 psi	28 Days	12 Hr High Early	Dec. 2, 2026
Burnco	45C1C1C2C	4500 psi	28 Days	CDOT Class B/D/P Low Slump	June 12, 2026
Burnco	45C1C1C4C	4500 psi	28 Days	CDOT Class B/D/P Handwork	June 12, 2026
Burnco	45VN31C4G	4500 psi	28 Days	Light Pole Base	Expired
Holcim	6406150	4000 psi	28 Days	Exterior Flat Work	June 14, 2026
Holcim	6450100	4500 psi	28 Days	Exterior Flat Work	June 14, 2026
Holcim	6550800	5500 psi	28 Days	Fast Set	June 14, 2026
Holcim	7456120	4500 psi	28 Days	Class D Hand	June 14, 2026
Holcim	7456122	4500 psi	28 Days	Class D Machine	June 14, 2026
Holcim	9456741	4500 psi	28 Days	High Early	June 14, 2026
Johnstown Ready Mix	021	Min. 50 psi	28 Days	Flow Fill	April 28, 2027
Johnstown Ready Mix	027	4000 psi	28 Days	Exterior, C&G, Sidewalks, Etc.	Expired
Johnstown Ready Mix	072	5000 psi	28 Days	Exterior Concrete	April 28, 2027
Johnstown Ready Mix	072 (2% NCA)	5000 psi	28 Days	24 Hr High Early	April 28, 2027
Johnstown Ready Mix	076	4500 psi	28 Days	CDOT Class B & D	April 28, 2027
Johnstown Ready Mix	076 (2% NCA)	4500 psi	28 Days	48 Hr High Early	April 28, 2027
Johnstown Ready Mix	076-F	4500 psi	28 Days	Class D	April 28, 2027
Johnstown Ready Mix	076-CF	4500 psi	28 Days	Class D	April 28, 2027
Loveland Ready Mix	021	Min. 50 psi	28 Days	Flow Fill	April 28, 2027
Loveland Ready Mix	027	4000 psi	28 Days	Exterior, C&G, Sidewalks, Etc.	Expired
Loveland Ready Mix	072	5000 psi	28 Days	Exterior Concrete	April 28, 2027
Loveland Ready Mix	072 (2% NCA)	5000 psi	28 Days	24 Hr High Early	April 28, 2027
Loveland Ready Mix	076	4500 psi	28 Days	CDOT Class B & D	April 28, 2027
Loveland Ready Mix	076 (2% NCA)	4500 psi	28 Days	48 Hr High Early	April 28, 2027
Loveland Ready Mix	076-F	4500 psi	28 Days	Class D	April 28, 2027
Loveland Ready Mix	076-CF	4500 psi	28 Days	Class D	April 28, 2027
MMM	HE5224	5000 psi	24 Hours	24 Hr High Early	Expired
Mustang Mobile Mix	COMM100FF22425	100 psi	28 Days	Flow Fill	Trial in Review
On-Demand	BZE4000	4000 psi	28 Days	Below Grade	Oct. 30, 2027
On-Demand	CDFF100R (Not Allowed Under Traffic Areas)	100 psi	28 Days	Flow Fill	April 9, 2027
On-Demand	CDFF175P	100 psi	28 Days	Flow Fill	April 9, 2027
On-Demand	CBDP4500R	4500 psi	28 Days	CDOT Class B/D/P	Oct. 30, 2027
On-Demand	CDP4504C	4500 psi	4 Hours	CDOT Class D/P	In Trial
On-Demand	CDP4504R	4500 psi	4 Hours	CDOT Class D/P	In Trial
On-Demand	CBDP4524R	4500 psi	24 Hours	CDOT Class B/D/P High Early	April 9, 2027
On-Demand	FF160R (Not Allowed Under Traffic Areas)	100 psi	28 Days	Flow Fill	April 9, 2027
On-Demand	QSCAP2500	2500 psi	4 Hours	Temporary Pavement Repair	April 9, 2027
On-Demand	QSFF080S	50 psi	28 Days	Flow Fill	Expired
On-Demand	QSFF100S	100 psi	28 Days	Flow Fill	April 9, 2027
SRM Concrete	CDOT45070-3	4500 psi	28 Days	CDOT Class B/D/P Hand Mix	Expired
SRM Concrete	ZCDOT45070-3	4500 psi	28 Days	CDOT Class B/D/P Hand Mix	Expired
SRM Concrete	CDOT45071-3	4500 psi	28 Days	CDOT Class B/D/P Machine Placement	Expired
SRM Concrete	ZCDOT45071-3	4500 psi	28 Days	CDOT Class B/D/P Machine Placement	Expired
SRM Concrete	ZCDOT45878-3	4500 psi	28 Days	CDOT Class B/D/P	June 11, 2027
SRM Concrete	45050	4500 psi	28 Days	Curb and Sidewalks	March 25, 2027
SRM Concrete	45060	4500 psi	28 Days	Curb and Sidewalks Machine Placement	March 25, 2027
SRM Concrete	45260	4500 psi	28 Days	Machine Placement	March 28, 2027
SRM Concrete	45262	4500 psi	28 Days	Hand Curb Mix	March 28, 2027
SRM Concrete	45321	4500 psi	24 Hours	24 Hr High Early	Expired
SRM Concrete	45850	4500 psi	28 Days	General Exterior	June 11, 2027
SRM Concrete	CDOT45888-3	4500 psi	28 Days	24 Hr High Early	Nov. 27, 2026
SRM Concrete	927	100 psi	28 Days	Flow Fill	In Review