US Bridges

State Route 155 over Rag Gulch

Good

Kern County, California · 06-KER-155-R15.28 · Structure no. 50 0372

Built
1953
72 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
180
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 155 over Rag Gulch is a concrete continuous culvert carrying State Route 155 over Rag Gulch in Kern County, California. It was built in 1953, so it is 72 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 180 vehicles a day, roughly 26% of them trucks, projected to reach 812 by 2044. The structure is 26 ft (7.9 m) long and 38 ft wide. If it were closed, the detour would be 47.2 mi (76 km).

CarriesState Route 155
CrossesRag Gulch
Location06-KER-155-R15.28
RouteState Highway 155
Coordinates35.7473, -118.98302
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width38 ft (11.6 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2009)
Projected traffic812 by 2044
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed47.2 mi (76 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 State Route 155 over Rag Gulch built?

It was built in 1953, making it 72 years old in 2025.

What condition is State Route 155 over Rag Gulch 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 December 2024.

How much traffic does State Route 155 over Rag Gulch carry?

About 180 vehicles per day (2009 count), of which roughly 26% are trucks.

How long is State Route 155 over Rag Gulch?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 38 ft wide.

Who owns State Route 155 over Rag Gulch?

It is owned by the State Highway Agency.