US Bridges

County Road 136 over Crow Creek

Fair

Weld County, Colorado · 0.05 MI E of CO RD 79 · Structure no. WEL136.0-079.0A

Built
1991
34 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
43 ft
1 main span
Daily traffic
335
2021 count
Owner
County
County Highway Agency

About this bridge

County Road 136 over Crow Creek is a concrete slab carrying County Road 136 over Crow Creek in Weld County, Colorado. It was built in 1991, so it is 34 years old, younger 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 6 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 335 vehicles a day, roughly 63% of them trucks, projected to reach 475 by 2041. The structure is 43 ft (13.1 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty Road 136
CrossesCrow Creek
Location0.05 MI E of CO RD 79
RouteCounty Highway 0
Coordinates40.97341, -104.31561
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span40 ft (12.3 m)
Deck width32 ft (9.7 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic335 (2021)
Projected traffic475 by 2041
Trucks63%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 136 over Crow Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is County Road 136 over Crow Creek 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 May 2024.

How much traffic does County Road 136 over Crow Creek carry?

About 335 vehicles per day (2021 count), of which roughly 63% are trucks.

How long is County Road 136 over Crow Creek?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.3 m) and a deck 32 ft wide.

Who owns County Road 136 over Crow Creek?

It is owned by the County Highway Agency.