US Bridges

I 25 Ml Sbnd over County Road

Fair

Weld County, Colorado · 2.9 MI So of JCT SH 56 · Structure no. C-17-AS

Built
1961
64 years old, rebuilt 2006
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete
Length
94 ft
3 main spans
Daily traffic
36,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Ml Sbnd over County Road is a concrete tee beam carrying I 25 Ml Sbnd over County Road in Weld County, Colorado. It was built in 1961 and reconstructed in 2006, so it is 64 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 36,000 vehicles a day, roughly 10% of them trucks, projected to reach 53,280 by 2040. The structure is 94 ft (28.5 m) long and 53 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI 25 Ml Sbnd
CrossesCounty Road
Location2.9 MI So of JCT SH 56
RouteInterstate 25A
CountyWeld County
StateColorado
Coordinates40.29326, -104.98017
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length94 ft (28.5 m)
Longest span30 ft (9.1 m)
Deck width53 ft (16.3 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,000 (2020)
Projected traffic53,280 by 2040
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 25 Ml Sbnd over County Road built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2006.

What condition is I 25 Ml Sbnd over County Road in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does I 25 Ml Sbnd over County Road carry?

About 36,000 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is I 25 Ml Sbnd over County Road?

The structure is 94 ft (28.5 m) long with a longest span of 30 ft (9.1 m) and a deck 53 ft wide.

Who owns I 25 Ml Sbnd over County Road?

It is owned by the State Highway Agency.