US Bridges

State Route 58 over Coffee Road

Fair

Kern County, California · 06-KER-058-R48.52-BKD · Structure no. 50 0555

Built
2010
15 years old
Condition
Fair
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
194 ft
2 main spans
Daily traffic
20,000
2015 count
Owner
State
State Highway Agency

About this bridge

State Route 58 over Coffee Road is a prestressed concrete continuous box beam or girders - multiple carrying State Route 58 over Coffee Road 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 5 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 20,000 vehicles a day, roughly 3% of them trucks, projected to reach 31,326 by 2045. The structure is 194 ft (59.2 m) long and 192 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesState Route 58
CrossesCoffee Road
Location06-KER-058-R48.52-BKD
RouteState Highway 58
Coordinates35.36644, -119.09231
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length194 ft (59.2 m)
Longest span109 ft (33.2 m)
Deck width192 ft (58.6 m)
Roadway width185 ft (56.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,000 (2015)
Projected traffic31,326 by 2045
Trucks3%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed4.3 mi (7 km)
TollOn a free road
National Highway SystemYes

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 58 over Coffee Road built?

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

What condition is State Route 58 over Coffee Road 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 December 2023.

How much traffic does State Route 58 over Coffee Road carry?

About 20,000 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is State Route 58 over Coffee Road?

The structure is 194 ft (59.2 m) long with a longest span of 109 ft (33.2 m) and a deck 192 ft wide.

Who owns State Route 58 over Coffee Road?

It is owned by the State Highway Agency.