US Bridges

State Route 88 over West Fork Carson River

Fair

Alpine County, California · 10-ALP-088-14.70 · Structure no. 31 0022

Built
1952
73 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete
Length
66 ft
1 main span
Daily traffic
3,225
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 88 over West Fork Carson River is a concrete tee beam carrying State Route 88 over West Fork Carson River in Alpine County, California. It was built in 1952, so it is 73 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 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 3,225 vehicles a day, roughly 7% of them trucks, projected to reach 3,666 by 2041. The structure is 66 ft (20.1 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesState Route 88
CrossesWest Fork Carson River
Location10-ALP-088-14.70
RouteState Highway 88
CountyAlpine County
StateCalifornia
Coordinates38.77609, -119.89544
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.7 US tons
Inventory rating20.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span56 ft (17.1 m)
Deck width31 ft (9.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,225 (2009)
Projected traffic3,666 by 2041
Trucks7%
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 1952, making it 73 years old in 2025.

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 3,225 vehicles per day (2009 count), of which roughly 7% are trucks.

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

The structure is 66 ft (20.1 m) long with a longest span of 56 ft (17.1 m) and a deck 31 ft wide.

Who owns State Route 88 over West Fork Carson River?

It is owned by the State Highway Agency.