US Bridges

State Route 65 over Rag Gulch

Fair

Kern County, California · 06-KER-065-23.59 · Structure no. 50 0131

Built
1944
81 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
8,500
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 65 over Rag Gulch is a concrete continuous culvert carrying State Route 65 over Rag Gulch in Kern County, California. It was built in 1944, so it is 81 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 8,500 vehicles a day, roughly 30% of them trucks, projected to reach 13,053 by 2042. The structure is 27 ft (8.2 m) long and 54 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesState Route 65
CrossesRag Gulch
Location06-KER-065-23.59
RouteState Highway 65
Coordinates35.76787, -119.05321
Functional classRural Principal Arterial - Other

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable 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 loadHS 20
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width54 ft (16.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,500 (2009)
Projected traffic13,053 by 2042
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 km)
TollOn a free road
National Highway SystemYes

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 65 over Rag Gulch built?

It was built in 1944, making it 81 years old in 2025.

What condition is State Route 65 over Rag Gulch 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 April 2024.

How much traffic does State Route 65 over Rag Gulch carry?

About 8,500 vehicles per day (2009 count), of which roughly 30% are trucks.

How long is State Route 65 over Rag Gulch?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m) and a deck 54 ft wide.

Who owns State Route 65 over Rag Gulch?

It is owned by the State Highway Agency.