US Bridges

Placer Hill RD over Wooley Creek

Fair

Placer County, California · 4.0 MI North of I-80 · Structure no. 19C0073

Built
1935
90 years old, rebuilt 1950
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete
Length
30 ft
1 main span
Daily traffic
2,164
2008 count
Owner
County
County Highway Agency

About this bridge

Placer Hill RD over Wooley Creek is a concrete tee beam carrying Placer Hill RD over Wooley Creek in Placer County, California. It was built in 1935 and reconstructed in 1950, so it is 90 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 2,164 vehicles a day, roughly 3% of them trucks, projected to reach 4,420 by 2042. The structure is 30 ft (9.1 m) long and 29 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesPlacer Hill RD
CrossesWooley Creek
Location4.0 MI North of I-80
RouteCounty Highway 0
Coordinates39.01247, -121.00567
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating23.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,164 (2008)
Projected traffic4,420 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Placer Hill RD over Wooley Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1950.

What condition is Placer Hill RD over Wooley 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 May 2024.

How much traffic does Placer Hill RD over Wooley Creek carry?

About 2,164 vehicles per day (2008 count), of which roughly 3% are trucks.

How long is Placer Hill RD over Wooley Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 29 ft wide.

Who owns Placer Hill RD over Wooley Creek?

It is owned by the County Highway Agency.