US Bridges

County Road 80C over N Frk Cache LA Poudre Rv

Fair

Larimer County, Colorado · 2.6 MI W of CO RD 59 · Structure no. LR80C-2.6-59

Built
1965
60 years old, rebuilt 2021
Condition
Fair
inspected March 2025
Type
Tee Beam
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
118
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 80C over N Frk Cache LA Poudre Rv is a prestressed concrete tee beam carrying County Road 80C over N Frk Cache LA Poudre Rv in Larimer County, Colorado. It was built in 1965 and reconstructed in 2021, so it is 60 years old, older 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 118 vehicles a day, roughly 23% of them trucks, projected to reach 148 by 2042. The structure is 55 ft (16.8 m) long and 24 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

Location

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CarriesCounty Road 80C
CrossesN Frk Cache LA Poudre Rv
Location2.6 MI W of CO RD 59
RouteCounty Highway 0
CountyLarimer County
StateColorado
Coordinates40.90231, -105.4675
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 protection7 GoodSome minor problems.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.9 US tons
Inventory rating12.2 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span50 ft (15.2 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic118 (2023)
Projected traffic148 by 2042
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 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 N Frk Cache LA Poudre Rv built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2021.

What condition is County Road 80C over N Frk Cache LA Poudre Rv 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 March 2025.

How much traffic does County Road 80C over N Frk Cache LA Poudre Rv carry?

About 118 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is County Road 80C over N Frk Cache LA Poudre Rv?

The structure is 55 ft (16.8 m) long with a longest span of 50 ft (15.2 m) and a deck 24 ft wide.

Who owns County Road 80C over N Frk Cache LA Poudre Rv?

It is owned by the County Highway Agency.