US Bridges

Tehachapi Wil Sprg over Highline RD Canal

Fair

Kern County, California · At Highline RD · Structure no. 50C0135

Built
1972
53 years old
Condition
Fair
inspected November 2021
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
1,890
2002 count
Owner
County
County Highway Agency

About this bridge

Tehachapi Wil Sprg over Highline RD Canal is a concrete continuous culvert carrying Tehachapi Wil Sprg over Highline RD Canal in Kern County, California. It was built in 1972, so it is 53 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 1,890 vehicles a day, roughly 10% of them trucks, projected to reach 2,627 by 2043. The structure is 22 ft (6.8 m) long and 60 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesTehachapi Wil Sprg
CrossesHighline RD Canal
LocationAt Highline RD
RouteCounty Highway 0
Coordinates35.10962, -118.39656
Functional classRural Major 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 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length22 ft (6.8 m)
Longest span11 ft (3.4 m)
Deck width60 ft (18.3 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,890 (2002)
Projected traffic2,627 by 2043
Trucks10%
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 Tehachapi Wil Sprg over Highline RD Canal built?

It was built in 1972, making it 53 years old in 2025.

What condition is Tehachapi Wil Sprg over Highline RD Canal 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 2021.

How much traffic does Tehachapi Wil Sprg over Highline RD Canal carry?

About 1,890 vehicles per day (2002 count), of which roughly 10% are trucks.

How long is Tehachapi Wil Sprg over Highline RD Canal?

The structure is 22 ft (6.8 m) long with a longest span of 11 ft (3.4 m) and a deck 60 ft wide.

Who owns Tehachapi Wil Sprg over Highline RD Canal?

It is owned by the County Highway Agency.