US Bridges

State Route 14 NB over UP RR & BNSF RY

Good

Kern County, California · 09-KER-014-R15.30 · Structure no. 50 0402R

Built
1972
53 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
624 ft
4 main spans
Daily traffic
8,975
2017 count
Owner
State
State Highway Agency

About this bridge

State Route 14 NB over UP RR & BNSF RY is a prestressed concrete continuous box beam or girders - multiple carrying State Route 14 NB over UP RR & BNSF RY 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 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 8,975 vehicles a day, roughly 9% of them trucks, projected to reach 31,344 by 2041. The structure is 624 ft (190.2 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 14 NB
CrossesUP RR & BNSF RY
Location09-KER-014-R15.30
RouteState Highway 14
Coordinates35.03749, -118.1696
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length624 ft (190.2 m)
Longest span194 ft (59.1 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,975 (2017)
Projected traffic31,344 by 2041
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 State Route 14 NB over UP RR & BNSF RY built?

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

What condition is State Route 14 NB over UP RR & BNSF RY 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 April 2023.

How much traffic does State Route 14 NB over UP RR & BNSF RY carry?

About 8,975 vehicles per day (2017 count), of which roughly 9% are trucks.

How long is State Route 14 NB over UP RR & BNSF RY?

The structure is 624 ft (190.2 m) long with a longest span of 194 ft (59.1 m) and a deck 42 ft wide.

Who owns State Route 14 NB over UP RR & BNSF RY?

It is owned by the State Highway Agency.