US Bridges

Mt Aukum RD over Clear Creek

Fair

El Dorado County, California · .2 MI S/O Pleasant Valy R · Structure no. 25C0032

Built
1967
58 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
2,959
2011 count
Owner
County
County Highway Agency

About this bridge

Mt Aukum RD over Clear Creek is a concrete slab carrying Mt Aukum RD over Clear Creek in El Dorado County, California. It was built in 1967, so it is 58 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 2,959 vehicles a day, roughly 3% of them trucks, projected to reach 5,165 by 2041. The structure is 30 ft (9.1 m) long and 40 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesMt Aukum RD
CrossesClear Creek
Location.2 MI S/O Pleasant Valy R
RouteCounty Highway 0
Coordinates38.67983, -120.66419
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.1 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width40 ft (12.1 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,959 (2011)
Projected traffic5,165 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Mt Aukum RD over Clear Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Mt Aukum RD over Clear 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 2023.

How much traffic does Mt Aukum RD over Clear Creek carry?

About 2,959 vehicles per day (2011 count), of which roughly 3% are trucks.

How long is Mt Aukum RD over Clear Creek?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 40 ft wide.

Who owns Mt Aukum RD over Clear Creek?

It is owned by the County Highway Agency.