US Bridges

Latrobe Road over Carson Creek

Fair

El Dorado County, California · W of Carson Crk Reservoir · Structure no. 25C0127

Built
2009
16 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
98 ft
1 main span
Daily traffic
4,879
2013 count
Owner
County
County Highway Agency

About this bridge

Latrobe Road over Carson Creek is a prestressed concrete box beam or girders - multiple carrying Latrobe Road over Carson Creek in El Dorado County, California. It was built in 2009, so it is 16 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 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 4,879 vehicles a day, roughly 10% of them trucks, projected to reach 6,471 by 2042. The structure is 98 ft (30 m) long and 86 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLatrobe Road
CrossesCarson Creek
LocationW of Carson Crk Reservoir
RouteCounty Highway 0
Coordinates38.63552, -121.06094
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable 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
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length98 ft (30 m)
Longest span98 ft (30 m)
Deck width86 ft (26.3 m)
Roadway width83 ft (25.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,879 (2013)
Projected traffic6,471 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Latrobe Road over Carson Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is Latrobe Road over Carson Creek 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 June 2024.

How much traffic does Latrobe Road over Carson Creek carry?

About 4,879 vehicles per day (2013 count), of which roughly 10% are trucks.

How long is Latrobe Road over Carson Creek?

The structure is 98 ft (30 m) long with a longest span of 98 ft (30 m) and a deck 86 ft wide.

Who owns Latrobe Road over Carson Creek?

It is owned by the County Highway Agency.