US Bridges

County Road 27 over Buckhorn Creek

Good

Larimer County, Colorado · 8.7 MI NW of CO RD 38E · Structure no. LR27-8.7-38E-A

Built
2015
10 years old
Condition
Good
inspected June 2023
Type
Frame
Concrete
Length
34 ft
1 main span
Daily traffic
591
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 27 over Buckhorn Creek is a concrete frame carrying County Road 27 over Buckhorn Creek in Larimer County, Colorado. It was built in 2015, so it is 10 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 591 vehicles a day, roughly 30% of them trucks, projected to reach 738 by 2042. The structure is 34 ft (10.4 m) long and 62 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesCounty Road 27
CrossesBuckhorn Creek
Location8.7 MI NW of CO RD 38E
RouteCounty Highway 0
CountyLarimer County
StateColorado
Coordinates40.5631, -105.30621
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 protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating75 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span31 ft (9.5 m)
Deck width62 ft (18.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic591 (2023)
Projected traffic738 by 2042
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 27 over Buckhorn Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is County Road 27 over Buckhorn 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 June 2023.

How much traffic does County Road 27 over Buckhorn Creek carry?

About 591 vehicles per day (2023 count), of which roughly 30% are trucks.

How long is County Road 27 over Buckhorn Creek?

The structure is 34 ft (10.4 m) long with a longest span of 31 ft (9.5 m) and a deck 62 ft wide.

Who owns County Road 27 over Buckhorn Creek?

It is owned by the County Highway Agency.