US Bridges

County Road 122 over Crow Creek

Fair

Weld County, Colorado · 300 Ft E of CO RD 85 · Structure no. WEL122.0-085.0A

Built
1993
32 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
76
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 122 over Crow Creek is a steel stringer/multi-beam or girder carrying County Road 122 over Crow Creek in Weld County, Colorado. It was built in 1993, so it is 32 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 76 vehicles a day, roughly 12% of them trucks, projected to reach 108 by 2043. The structure is 50 ft (15.2 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 122
CrossesCrow Creek
Location300 Ft E of CO RD 85
RouteCounty Highway 0
Coordinates40.87164, -104.25703
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.5 US tons
Inventory rating24.3 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span47 ft (14.2 m)
Deck width31 ft (9.5 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic76 (2023)
Projected traffic108 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 122 over Crow Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is County Road 122 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 122 over Crow Creek carry?

About 76 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is County Road 122 over Crow Creek?

The structure is 50 ft (15.2 m) long with a longest span of 47 ft (14.2 m) and a deck 31 ft wide.

Who owns County Road 122 over Crow Creek?

It is owned by the County Highway Agency.