US Bridges

Upper Truckee RD over Upper Truckee River

Fair

El Dorado County, California · 3.7 MI S/O SR 50 · Structure no. 25C0018

Built
1942
83 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
1,020
2010 count
Owner
County
County Highway Agency

About this bridge

Upper Truckee RD over Upper Truckee River is a steel stringer/multi-beam or girder carrying Upper Truckee RD over Upper Truckee River in El Dorado County, California. It was built in 1942, so it is 83 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 1,020 vehicles a day, roughly 10% of them trucks, projected to reach 2,180 by 2041. The structure is 31 ft (9.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesUpper Truckee RD
CrossesUpper Truckee River
Location3.7 MI S/O SR 50
RouteCounty Highway 0
CountyEl Dorado County
StateCalifornia
Coordinates38.7964, -120.01924
Functional classRural Major Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 15
Structure length31 ft (9.6 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,020 (2010)
Projected traffic2,180 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Upper Truckee RD over Upper Truckee River built?

It was built in 1942, making it 83 years old in 2025.

What condition is Upper Truckee RD over Upper Truckee 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 August 2023.

How much traffic does Upper Truckee RD over Upper Truckee River carry?

About 1,020 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is Upper Truckee RD over Upper Truckee River?

The structure is 31 ft (9.6 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns Upper Truckee RD over Upper Truckee River?

It is owned by the County Highway Agency.