US Bridges

State Route 88 over West Fork Carson River

Fair

Alpine County, California · 10-ALP-088-12.46 · Structure no. 31 0014

Built
1939
86 years old, rebuilt 1979
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
46 ft
1 main span
Daily traffic
2,200
2019 count
Owner
State
State Highway Agency

About this bridge

State Route 88 over West Fork Carson River is a steel stringer/multi-beam or girder carrying State Route 88 over West Fork Carson River in Alpine County, California. It was built in 1939 and reconstructed in 1979, so it is 86 years old, older than the California average of 54.8 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 2,200 vehicles a day, roughly 8% of them trucks, projected to reach 8,977 by 2045. The structure is 46 ft (14 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesState Route 88
CrossesWest Fork Carson River
Location10-ALP-088-12.46
RouteState Highway 88
Coordinates38.77182, -119.93436
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating24.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length46 ft (14 m)
Longest span45 ft (13.7 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2019)
Projected traffic8,977 by 2045
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 88 over West Fork Carson River built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1979.

What condition is State Route 88 over West Fork Carson 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 October 2023.

How much traffic does State Route 88 over West Fork Carson River carry?

About 2,200 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is State Route 88 over West Fork Carson River?

The structure is 46 ft (14 m) long with a longest span of 45 ft (13.7 m) and a deck 26 ft wide.

Who owns State Route 88 over West Fork Carson River?

It is owned by the State Highway Agency.