US Bridges

Oakley LN over Dry Creek

Good

Yuba County, California · 0.2 MI S/O Dairy RD · Structure no. 16C0052

Built
1980
45 years old
Condition
Good
inspected March 2021
Type
Slab
Concrete Continuous
Length
227 ft
8 main spans
Daily traffic
650
2011 count
Owner
County
County Highway Agency

About this bridge

Oakley LN over Dry Creek is a concrete continuous slab carrying Oakley LN over Dry Creek in Yuba County, California. It was built in 1980, so it is 45 years old, younger 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 650 vehicles a day, roughly 4% of them trucks, projected to reach 793 by 2043. The structure is 227 ft (69.2 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesOakley LN
CrossesDry Creek
Location0.2 MI S/O Dairy RD
RouteCounty Highway 0
Coordinates39.0199, -121.45405
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 protection7 GoodSome minor problems.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.4 US tons
Inventory rating54.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length227 ft (69.2 m)
Longest span30 ft (9.1 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2011)
Projected traffic793 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Oakley LN over Dry Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Oakley LN over Dry 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 March 2021.

How much traffic does Oakley LN over Dry Creek carry?

About 650 vehicles per day (2011 count), of which roughly 4% are trucks.

How long is Oakley LN over Dry Creek?

The structure is 227 ft (69.2 m) long with a longest span of 30 ft (9.1 m) and a deck 29 ft wide.

Who owns Oakley LN over Dry Creek?

It is owned by the County Highway Agency.