US Bridges

County Road 122 over Owl Creek

Good

Weld County, Colorado · 2.0 MI E of US HWY 85 · Structure no. WEL122.0-031.0A

Built
1984
41 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
79 ft
2 main spans
Daily traffic
69
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 122 over Owl Creek is a steel stringer/multi-beam or girder carrying County Road 122 over Owl Creek in Weld County, Colorado. It was built in 1984, so it is 41 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 69 vehicles a day, roughly 39% of them trucks, projected to reach 98 by 2043. The structure is 79 ft (24.1 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCounty Road 122
CrossesOwl Creek
Location2.0 MI E of US HWY 85
RouteCounty Highway 0
CountyWeld County
StateColorado
Coordinates40.87025, -104.75683
Functional classRural Minor 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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.7 US tons
Inventory rating17.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans2
Design loadHS 20
Structure length79 ft (24.1 m)
Longest span38 ft (11.7 m)
Deck width32 ft (9.7 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69 (2023)
Projected traffic98 by 2043
Trucks39%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Owl Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is County Road 122 over Owl Creek 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 May 2024.

How much traffic does County Road 122 over Owl Creek carry?

About 69 vehicles per day (2023 count), of which roughly 39% are trucks.

How long is County Road 122 over Owl Creek?

The structure is 79 ft (24.1 m) long with a longest span of 38 ft (11.7 m) and a deck 32 ft wide.

Who owns County Road 122 over Owl Creek?

It is owned by the County Highway Agency.