US Bridges

178 Eastbnd Offrp over Erskine Creek

Fair

Kern County, California · 06-KER-178-R41.59 · Structure no. 50 0467S

Built
1974
51 years old
Condition
Fair
inspected December 2022
Type
Culvert
Concrete Continuous
Length
28 ft
3 main spans
Daily traffic
740
2012 count
Owner
State
State Highway Agency

About this bridge

178 Eastbnd Offrp over Erskine Creek is a concrete continuous culvert carrying 178 Eastbnd Offrp over Erskine Creek in Kern County, California. It was built in 1974, so it is 51 years old, younger 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 740 vehicles a day, roughly 8% of them trucks, projected to reach 921 by 2044. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 37.9 mi (61 km).

Carries178 Eastbnd Offrp
CrossesErskine Creek
Location06-KER-178-R41.59
RouteState Highway 178
Coordinates35.61065, -118.48899
Functional classRural Minor Arterial

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 inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic740 (2012)
Projected traffic921 by 2044
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 178 Eastbnd Offrp over Erskine Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is 178 Eastbnd Offrp over Erskine 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 December 2022.

How much traffic does 178 Eastbnd Offrp over Erskine Creek carry?

About 740 vehicles per day (2012 count), of which roughly 8% are trucks.

How long is 178 Eastbnd Offrp over Erskine Creek?

The structure is 28 ft (8.5 m) long with a longest span of 9 ft (2.7 m).

Who owns 178 Eastbnd Offrp over Erskine Creek?

It is owned by the State Highway Agency.