US Bridges

U.S. Highway 50 over South Fork American Riv

Fair

El Dorado County, California · 03-ED-050-39.68 · Structure no. 25 0008

Built
1987
38 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
284 ft
3 main spans
Daily traffic
12,700
2016 count
Owner
State
State Highway Agency

About this bridge

U.S. Highway 50 over South Fork American Riv is a prestressed concrete continuous box beam or girders - multiple carrying U.S. Highway 50 over South Fork American Riv in El Dorado 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 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 12,700 vehicles a day, roughly 6% of them trucks, projected to reach 14,996 by 2046. The structure is 284 ft (86.6 m) long and 68 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesU.S. Highway 50
CrossesSouth Fork American Riv
Location03-ED-050-39.68
RouteU.S. Route 50
Coordinates38.77024, -120.44867
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length284 ft (86.6 m)
Longest span114 ft (34.7 m)
Deck width68 ft (20.6 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,700 (2016)
Projected traffic14,996 by 2046
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 U.S. Highway 50 over South Fork American Riv built?

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

What condition is U.S. Highway 50 over South Fork American Riv 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 2024.

How much traffic does U.S. Highway 50 over South Fork American Riv carry?

About 12,700 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is U.S. Highway 50 over South Fork American Riv?

The structure is 284 ft (86.6 m) long with a longest span of 114 ft (34.7 m) and a deck 68 ft wide.

Who owns U.S. Highway 50 over South Fork American Riv?

It is owned by the State Highway Agency.