US Bridges

Allen Road over Goose Lake Slough

Good

Kern County, California · Bakersfield · Structure no. 50 0551Y

Built
2012
13 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete Continuous
Length
20 ft
2 main spans
Daily traffic
1,000
2016 count
Owner
State
State Highway Agency

About this bridge

Allen Road over Goose Lake Slough is a concrete continuous culvert carrying Allen Road over Goose Lake Slough in Kern County, California. It was built in 2012, so it is 13 years old, younger 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 1,000 vehicles a day, roughly 3% of them trucks, projected to reach 2,559 by 2045. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesAllen Road
CrossesGoose Lake Slough
LocationBakersfield
RouteCity Street 58
Coordinates35.3602, -119.14531
Functional classUrban Minor Arterial

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 protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal 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 loadUnknown
Structure length20 ft (6.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2016)
Projected traffic2,559 by 2045
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Allen Road over Goose Lake Slough built?

It was built in 2012, making it 13 years old in 2025.

What condition is Allen Road over Goose Lake Slough 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 2023.

How much traffic does Allen Road over Goose Lake Slough carry?

About 1,000 vehicles per day (2016 count), of which roughly 3% are trucks.

How long is Allen Road over Goose Lake Slough?

The structure is 20 ft (6.1 m) long with a longest span of 10 ft (3 m).

Who owns Allen Road over Goose Lake Slough?

It is owned by the State Highway Agency.