US Bridges

Douglas Way Road over West Fork Carson River

Good

Alpine County, California · 0.1 Mile North of SH 88 · Structure no. 31C0017

Built
1987
38 years old
Condition
Good
inspected October 2021
Type
Slab
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
100
1988 count
Owner
County
County Highway Agency

About this bridge

Douglas Way Road over West Fork Carson River is a prestressed concrete slab carrying Douglas Way Road over West Fork Carson River in Alpine County, California. It was built in 1987, so it is 38 years old, younger than the California average of 54.8 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 45 by 2043. The structure is 46 ft (14 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesDouglas Way Road
CrossesWest Fork Carson River
Location0.1 Mile North of SH 88
RouteCounty Highway 0
Coordinates38.7756, -119.90144
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 protection7 GoodSome minor problems.
Last inspectionOctober 2021
Inspection intervalevery 48 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length46 ft (14 m)
Longest span46 ft (14 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (1988)
Projected traffic45 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Douglas Way Road over West Fork Carson River built?

It was built in 1987, making it 38 years old in 2025.

What condition is Douglas Way Road over West Fork Carson River 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 October 2021.

How much traffic does Douglas Way Road over West Fork Carson River carry?

About 100 vehicles per day (1988 count), of which roughly 3% are trucks.

How long is Douglas Way Road over West Fork Carson River?

The structure is 46 ft (14 m) long with a longest span of 46 ft (14 m) and a deck 24 ft wide.

Who owns Douglas Way Road over West Fork Carson River?

It is owned by the County Highway Agency.