US Bridges

County Road 24H over Buckhorn Creek

Fair

Larimer County, Colorado · 0.6 MI E of CO RD 27 · Structure no. LR24H-0.6-27-A

Built
1985
40 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Prestressed Concrete
Length
149 ft
2 main spans
Daily traffic
329
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 24H over Buckhorn Creek is a prestressed concrete tee beam carrying County Road 24H over Buckhorn Creek in Larimer County, Colorado. It was built in 1985, so it is 40 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 329 vehicles a day, roughly 22% of them trucks, projected to reach 411 by 2042. The structure is 149 ft (45.4 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 24H
CrossesBuckhorn Creek
Location0.6 MI E of CO RD 27
RouteCounty Highway 0
Coordinates40.43455, -105.18503
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
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 alignment6: Equal to present minimum criteria
Operating rating97 US tons
Inventory rating37.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length149 ft (45.4 m)
Longest span71 ft (21.5 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic329 (2023)
Projected traffic411 by 2042
Trucks22%
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 24H over Buckhorn Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is County Road 24H over Buckhorn 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 2023.

How much traffic does County Road 24H over Buckhorn Creek carry?

About 329 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is County Road 24H over Buckhorn Creek?

The structure is 149 ft (45.4 m) long with a longest span of 71 ft (21.5 m) and a deck 32 ft wide.

Who owns County Road 24H over Buckhorn Creek?

It is owned by the County Highway Agency.