US Bridges

Tehachapi Blvd over Tehachapi Storm Drain

Good

Kern County, California · West of Dennison · Structure no. 50C0097

Built
1948
77 years old, rebuilt 2016
Condition
Good
inspected November 2023
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
3,706
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

Tehachapi Blvd over Tehachapi Storm Drain is a concrete continuous culvert carrying Tehachapi Blvd over Tehachapi Storm Drain in Kern County, California. It was built in 1948 and reconstructed in 2016, so it is 77 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 3,706 vehicles a day, roughly 10% of them trucks, projected to reach 6,521 by 2040. The structure is 33 ft (10.1 m) long and 65 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTehachapi Blvd
CrossesTehachapi Storm Drain
LocationWest of Dennison
RouteCity Street 0
Coordinates35.13016, -118.4324
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
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
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width65 ft (19.8 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,706 (2011)
Projected traffic6,521 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Tehachapi Blvd over Tehachapi Storm Drain built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 2016.

What condition is Tehachapi Blvd over Tehachapi Storm Drain 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 November 2023.

How much traffic does Tehachapi Blvd over Tehachapi Storm Drain carry?

About 3,706 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is Tehachapi Blvd over Tehachapi Storm Drain?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 65 ft wide.

Who owns Tehachapi Blvd over Tehachapi Storm Drain?

It is owned by the City or Municipal Highway Agency.