US Bridges

4th Street over Sandy Creek

Fair

Kern County, California · South of Ash Street · Structure no. 50C0197

Built
1970
55 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
3,560
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

4th Street over Sandy Creek is a concrete continuous culvert carrying 4th Street over Sandy Creek in Kern County, California. It was built in 1970, so it is 55 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 3,560 vehicles a day, roughly 1% of them trucks, projected to reach 4,191 by 2041. The structure is 30 ft (9.1 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries4th Street
CrossesSandy Creek
LocationSouth of Ash Street
RouteCity Street 0
Coordinates35.15051, -119.45271
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span14 ft (4.3 m)
Deck width52 ft (15.9 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,560 (2011)
Projected traffic4,191 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 4th Street over Sandy Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is 4th Street over Sandy 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 November 2023.

How much traffic does 4th Street over Sandy Creek carry?

About 3,560 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is 4th Street over Sandy Creek?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m) and a deck 52 ft wide.

Who owns 4th Street over Sandy Creek?

It is owned by the City or Municipal Highway Agency.