US Bridges

County Road 804 over Fraser River

Fair

Grand County, Colorado · Just N of Safeway Store · Structure no. 49080400.20014

Built
1976
49 years old
Condition
Fair
inspected September 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
32 ft
2 main spans
Daily traffic
3,275
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

County Road 804 over Fraser River is a aluminum, wrought iron, or cast iron culvert carrying County Road 804 over Fraser River in Grand County, Colorado. It was built in 1976, so it is 49 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 5 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 3,275 vehicles a day, roughly 15% of them trucks, projected to reach 3,865 by 2042. The structure is 32 ft (9.7 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCounty Road 804
CrossesFraser River
LocationJust N of Safeway Store
RouteCounty Highway 0
Coordinates39.94616, -105.81208
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.4 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans2
Design loadHS 20
Structure length32 ft (9.7 m)
Longest span14 ft (4.2 m)
Deck width57 ft (17.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,275 (2023)
Projected traffic3,865 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 804 over Fraser River built?

It was built in 1976, making it 49 years old in 2025.

What condition is County Road 804 over Fraser River 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 September 2023.

How much traffic does County Road 804 over Fraser River carry?

About 3,275 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is County Road 804 over Fraser River?

The structure is 32 ft (9.7 m) long with a longest span of 14 ft (4.2 m) and a deck 57 ft wide.

Who owns County Road 804 over Fraser River?

It is owned by the Town or Township Highway Agency.