US Bridges

Gosford RD NB over Kern River Canal

Poor

Kern County, California · 0.2 MI S Truxtun Ave · Structure no. 50C0179R

Built
1981
44 years old
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
18,900
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Gosford RD NB over Kern River Canal is a prestressed concrete stringer/multi-beam or girder carrying Gosford RD NB over Kern River Canal in Kern County, California. It was built in 1981, so it is 44 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 18,900 vehicles a day, roughly 7% of them trucks, projected to reach 31,633 by 2044. The structure is 77 ft (23.5 m) long and 45 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesGosford RD NB
CrossesKern River Canal
Location0.2 MI S Truxtun Ave
RouteCity Street 0
Coordinates35.35956, -119.09208
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating41.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length77 ft (23.5 m)
Longest span72 ft (21.9 m)
Deck width45 ft (13.7 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,900 (2013)
Projected traffic31,633 by 2044
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$552,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Gosford RD NB over Kern River Canal built?

It was built in 1981, making it 44 years old in 2025.

What condition is Gosford RD NB over Kern River Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does Gosford RD NB over Kern River Canal carry?

About 18,900 vehicles per day (2013 count), of which roughly 7% are trucks.

How long is Gosford RD NB over Kern River Canal?

The structure is 77 ft (23.5 m) long with a longest span of 72 ft (21.9 m) and a deck 45 ft wide.

Who owns Gosford RD NB over Kern River Canal?

It is owned by the City or Municipal Highway Agency.