US Bridges

Coffee Road over BNSF AMTRAK Frontage RD

Fair

Kern County, California · 0.46 MI South of SR 58 · Structure no. 50C0384

Built
1999
26 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
213 ft
3 main spans
Daily traffic
51,375
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Coffee Road over BNSF AMTRAK Frontage RD is a prestressed concrete continuous box beam or girders - multiple carrying Coffee Road over BNSF AMTRAK Frontage RD in Kern County, California. It was built in 1999, so it is 26 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 51,375 vehicles a day, roughly 3% of them trucks, projected to reach 82,299 by 2043. The structure is 213 ft (64.9 m) long and 95 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesCoffee Road
CrossesBNSF AMTRAK Frontage RD
Location0.46 MI South of SR 58
RouteCity Street 0
Coordinates35.37606, -119.09356
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length213 ft (64.9 m)
Longest span84 ft (25.5 m)
Deck width95 ft (28.9 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51,375 (2017)
Projected traffic82,299 by 2043
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed4.3 mi (7 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Coffee Road over BNSF AMTRAK Frontage RD built?

It was built in 1999, making it 26 years old in 2025.

What condition is Coffee Road over BNSF AMTRAK Frontage RD 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 October 2023.

How much traffic does Coffee Road over BNSF AMTRAK Frontage RD carry?

About 51,375 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Coffee Road over BNSF AMTRAK Frontage RD?

The structure is 213 ft (64.9 m) long with a longest span of 84 ft (25.5 m) and a deck 95 ft wide.

Who owns Coffee Road over BNSF AMTRAK Frontage RD?

It is owned by the City or Municipal Highway Agency.