US Bridges

U.S. Highway 50 over Upper Truckee River

Good

El Dorado County, California · 03-ED-050-70.31 · Structure no. 25 0012

Built
1941
84 years old, rebuilt 1985
Condition
Good
inspected September 2024
Type
Tee Beam
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
11,000
2014 count
Owner
State
State Highway Agency

About this bridge

U.S. Highway 50 over Upper Truckee River is a concrete continuous tee beam carrying U.S. Highway 50 over Upper Truckee River in El Dorado County, California. It was built in 1941 and reconstructed in 1985, so it is 84 years old, older 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 11,000 vehicles a day, roughly 3% of them trucks, projected to reach 11,528 by 2042. The structure is 100 ft (30.5 m) long and 52 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesU.S. Highway 50
CrossesUpper Truckee River
Location03-ED-050-70.31
RouteU.S. Route 50
Coordinates38.84846, -120.02697
Functional classUrban Other Principal Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating28.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length100 ft (30.5 m)
Longest span98 ft (30 m)
Deck width52 ft (15.8 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2014)
Projected traffic11,528 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.1 mi (13 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 Upper Truckee River built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1985.

What condition is U.S. Highway 50 over Upper Truckee 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 September 2024.

How much traffic does U.S. Highway 50 over Upper Truckee River carry?

About 11,000 vehicles per day (2014 count), of which roughly 3% are trucks.

How long is U.S. Highway 50 over Upper Truckee River?

The structure is 100 ft (30.5 m) long with a longest span of 98 ft (30 m) and a deck 52 ft wide.

Who owns U.S. Highway 50 over Upper Truckee River?

It is owned by the State Highway Agency.