US Bridges

Jackson Ave over Kings Riv (west Channel)

Fair

Kings County, California · 1.5 MI W 21st Ave · Structure no. 45C0028

Built
1922
103 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
176 ft
6 main spans
Daily traffic
750
2018 count
Owner
County
County Highway Agency

About this bridge

Jackson Ave over Kings Riv (west Channel) is a concrete tee beam carrying Jackson Ave over Kings Riv (west Channel) in Kings County, California. It was built in 1922, so it is 103 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 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 750 vehicles a day, roughly 15% of them trucks, projected to reach 418 by 2042. The structure is 176 ft (53.6 m) long and 24 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesJackson Ave
CrossesKings Riv (west Channel)
Location1.5 MI W 21st Ave
RouteCounty Highway 0
CountyKings County
StateCalifornia
Coordinates36.25558, -119.85971
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.1 US tons
Inventory rating20.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 10
Structure length176 ft (53.6 m)
Longest span30 ft (9.1 m)
Deck width24 ft (7.3 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2018)
Projected traffic418 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Jackson Ave over Kings Riv (west Channel) built?

It was built in 1922, making it 103 years old in 2025.

What condition is Jackson Ave over Kings Riv (west Channel) 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 2024.

How much traffic does Jackson Ave over Kings Riv (west Channel) carry?

About 750 vehicles per day (2018 count), of which roughly 15% are trucks.

How long is Jackson Ave over Kings Riv (west Channel)?

The structure is 176 ft (53.6 m) long with a longest span of 30 ft (9.1 m) and a deck 24 ft wide.

Who owns Jackson Ave over Kings Riv (west Channel)?

It is owned by the County Highway Agency.