US Bridges

County Road 24 over I 70 Ml

Good

Mesa County, Colorado · 2.3 MI E of JCT US 6 Ml · Structure no. H-02-EG

Built
2005
20 years old
Condition
Good
inspected February 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
177 ft
2 main spans
Daily traffic
13,931
2022 count
Owner
State
State Highway Agency

About this bridge

County Road 24 over I 70 Ml is a prestressed concrete continuous tee beam carrying County Road 24 over I 70 Ml in Mesa County, Colorado. It was built in 2005, so it is 20 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 13,931 vehicles a day, roughly 7% of them trucks, projected to reach 16,300 by 2042. The structure is 177 ft (53.8 m) long and 61 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 24
CrossesI 70 Ml
Location2.3 MI E of JCT US 6 Ml
RouteCounty Highway 0
Coordinates39.1137, -108.60822
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans2
Design loadHS 25 or greater
Structure length177 ft (53.8 m)
Longest span86 ft (26.2 m)
Deck width61 ft (18.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,931 (2022)
Projected traffic16,300 by 2042
Trucks7%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 24 over I 70 Ml built?

It was built in 2005, making it 20 years old in 2025.

What condition is County Road 24 over I 70 Ml in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does County Road 24 over I 70 Ml carry?

About 13,931 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is County Road 24 over I 70 Ml?

The structure is 177 ft (53.8 m) long with a longest span of 86 ft (26.2 m) and a deck 61 ft wide.

Who owns County Road 24 over I 70 Ml?

It is owned by the State Highway Agency.