US Bridges

County Road 80C over Sand Creek

Good

Larimer County, Colorado · 0.7 MI E of CO RD 89 · Structure no. LR80C-0.7-89-A

Built
1989
36 years old
Condition
Good
inspected May 2023
Type
Frame
Concrete
Length
32 ft
1 main span
Daily traffic
8
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 80C over Sand Creek is a concrete frame carrying County Road 80C over Sand Creek in Larimer County, Colorado. It was built in 1989, so it is 36 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 8 vehicles a day, roughly 18% of them trucks, projected to reach 10 by 2042. The structure is 32 ft (9.8 m) long and 40 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

Location

Open in Google Maps
CarriesCounty Road 80C
CrossesSand Creek
Location0.7 MI E of CO RD 89
RouteCounty Highway 0
CountyLarimer County
StateColorado
Coordinates40.92903, -105.78508
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.4 US tons
Inventory rating44 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckOther
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8 (2023)
Projected traffic10 by 2042
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 80C over Sand Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is County Road 80C over Sand 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 2023.

How much traffic does County Road 80C over Sand Creek carry?

About 8 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is County Road 80C over Sand Creek?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 40 ft wide.

Who owns County Road 80C over Sand Creek?

It is owned by the County Highway Agency.