US Bridges

County Road 15 over Rawhide Creek Tributary

Good

Larimer County, Colorado · 0.05 MI S of CO RD 82 · Structure no. LR15-2.0-78

Built
1980
45 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
349
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 15 over Rawhide Creek Tributary is a concrete culvert carrying County Road 15 over Rawhide Creek Tributary in Larimer County, Colorado. It was built in 1980, so it is 45 years old, older 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 349 vehicles a day, roughly 32% of them trucks, projected to reach 437 by 2042. The structure is 23 ft (7.1 m) long and 84 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCounty Road 15
CrossesRawhide Creek Tributary
Location0.05 MI S of CO RD 82
RouteCounty Highway 0
CountyLarimer County
StateColorado
Coordinates40.84058, -105.07614
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.5 US tons
Inventory rating50.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7.1 m)
Longest span11 ft (3.4 m)
Deck width84 ft (25.6 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic349 (2023)
Projected traffic437 by 2042
Trucks32%
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 15 over Rawhide Creek Tributary built?

It was built in 1980, making it 45 years old in 2025.

What condition is County Road 15 over Rawhide Creek Tributary 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 2023.

How much traffic does County Road 15 over Rawhide Creek Tributary carry?

About 349 vehicles per day (2023 count), of which roughly 32% are trucks.

How long is County Road 15 over Rawhide Creek Tributary?

The structure is 23 ft (7.1 m) long with a longest span of 11 ft (3.4 m) and a deck 84 ft wide.

Who owns County Road 15 over Rawhide Creek Tributary?

It is owned by the County Highway Agency.