US Bridges

Service Road over Chester Ave

Fair

Kern County, California · North of 14th Street · Structure no. 50C0155

Built
1958
67 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
101 ft
2 main spans
Daily traffic
3,528
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Service Road over Chester Ave is a steel stringer/multi-beam or girder carrying Service Road over Chester Ave in Kern County, California. It was built in 1958, so it is 67 years old, older 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 3,528 vehicles a day, roughly 2% of them trucks, projected to reach 5,167 by 2045. The structure is 101 ft (30.8 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesService Road
CrossesChester Ave
LocationNorth of 14th Street
RouteCity Street 0
Coordinates35.37111, -119.01901
Functional classUrban Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating53.6 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length101 ft (30.8 m)
Longest span49 ft (14.9 m)
Deck width36 ft (11.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,528 (2015)
Projected traffic5,167 by 2045
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Service Road over Chester Ave built?

It was built in 1958, making it 67 years old in 2025.

What condition is Service Road over Chester Ave 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 Service Road over Chester Ave carry?

About 3,528 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Service Road over Chester Ave?

The structure is 101 ft (30.8 m) long with a longest span of 49 ft (14.9 m) and a deck 36 ft wide.

Who owns Service Road over Chester Ave?

It is owned by the City or Municipal Highway Agency.