US Bridges

7th Standard Road over UP RR Tracks

Fair

Kern County, California · 0.1 MI West of SR99 · Structure no. 50C0387

Built
2010
15 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
194 ft
3 main spans
Daily traffic
17,500
2007 count
Owner
County
County Highway Agency

About this bridge

7th Standard Road over UP RR Tracks is a prestressed concrete box beam or girders - multiple carrying 7th Standard Road over UP RR Tracks in Kern County, California. It was built in 2010, so it is 15 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 17,500 vehicles a day, roughly 8% of them trucks, projected to reach 22,594 by 2042. The structure is 194 ft (59.1 m) long and 99 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries7th Standard Road
CrossesUP RR Tracks
Location0.1 MI West of SR99
RouteCounty Highway 0
CountyKern County
StateCalifornia
Coordinates35.44093, -119.08748
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length194 ft (59.1 m)
Longest span85 ft (26 m)
Deck width99 ft (30.3 m)
Roadway width86 ft (26.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,500 (2007)
Projected traffic22,594 by 2042
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 7th Standard Road over UP RR Tracks built?

It was built in 2010, making it 15 years old in 2025.

What condition is 7th Standard Road over UP RR Tracks 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 2024.

How much traffic does 7th Standard Road over UP RR Tracks carry?

About 17,500 vehicles per day (2007 count), of which roughly 8% are trucks.

How long is 7th Standard Road over UP RR Tracks?

The structure is 194 ft (59.1 m) long with a longest span of 85 ft (26 m) and a deck 99 ft wide.

Who owns 7th Standard Road over UP RR Tracks?

It is owned by the County Highway Agency.