US Bridges

Oak Hill Road over Squaw Hollow Creek

Good

El Dorado County, California · 0.6 MI S Pleasant Valy RD · Structure no. 25C0096

Built
1945
80 years old
Condition
Good
inspected June 2024
Type
Tee Beam
Concrete
Length
24 ft
1 main span
Daily traffic
1,985
2012 count
Owner
County
County Highway Agency

About this bridge

Oak Hill Road over Squaw Hollow Creek is a concrete tee beam carrying Oak Hill Road over Squaw Hollow Creek in El Dorado County, California. It was built in 1945, so it is 80 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 1,985 vehicles a day, roughly 10% of them trucks, projected to reach 1,738 by 2046. The structure is 24 ft (7.3 m) long and 22 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesOak Hill Road
CrossesSquaw Hollow Creek
Location0.6 MI S Pleasant Valy RD
RouteCounty Highway 0
Coordinates38.67059, -120.77644
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.7 US tons
Inventory rating19 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,985 (2012)
Projected traffic1,738 by 2046
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Oak Hill Road over Squaw Hollow Creek built?

It was built in 1945, making it 80 years old in 2025.

What condition is Oak Hill Road over Squaw Hollow Creek 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 June 2024.

How much traffic does Oak Hill Road over Squaw Hollow Creek carry?

About 1,985 vehicles per day (2012 count), of which roughly 10% are trucks.

How long is Oak Hill Road over Squaw Hollow Creek?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 22 ft wide.

Who owns Oak Hill Road over Squaw Hollow Creek?

It is owned by the County Highway Agency.