US Bridges

County Road 27 over Buckhorn Creek

Good

Larimer County, Colorado · 9.0 MI NW of CR38E · Structure no. LR27-9.0-38E-A

Built
2015
10 years old
Condition
Good
inspected June 2023
Type
Frame
Concrete
Length
31 ft
1 main span
Daily traffic
576
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 576 vehicles a day, roughly 25% of them trucks, projected to reach 721 by 2042. The structure is 31 ft (9.4 m) long and 63 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesCounty Road 27
CrossesBuckhorn Creek
Location9.0 MI NW of CR38E
RouteCounty Highway 0
CountyLarimer County
StateColorado
Coordinates40.56402, -105.31015
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 protection7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating107.4 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span28 ft (8.6 m)
Deck width63 ft (19.1 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic576 (2023)
Projected traffic721 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 576 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is County Road 27 over Buckhorn Creek?

The structure is 31 ft (9.4 m) long with a longest span of 28 ft (8.6 m) and a deck 63 ft wide.

Who owns County Road 27 over Buckhorn Creek?

It is owned by the County Highway Agency.