US Bridges

8th Ave over North Branch Kings River

Poor

Kings County, California · 0.5 MI N of Clinton · Structure no. 45C0037

Built
1970
55 years old
Condition
Poor
inspected November 2023
Type
Slab
Concrete Continuous
Length
362 ft
15 main spans
Daily traffic
600
2017 count
Owner
County
County Highway Agency

About this bridge

8th Ave over North Branch Kings River is a concrete continuous slab carrying 8th Ave over North Branch Kings River in Kings County, California. It was built in 1970, so it is 55 years old, older 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 600 vehicles a day, roughly 15% of them trucks, projected to reach 1,086 by 2045. The structure is 362 ft (110.3 m) long and 32 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Carries8th Ave
CrossesNorth Branch Kings River
Location0.5 MI N of Clinton
RouteCounty Highway 0
Coordinates36.45833, -119.60015
Functional classRural Local

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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans15
Design loadHS 20
Structure length362 ft (110.3 m)
Longest span28 ft (8.5 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2017)
Projected traffic1,086 by 2045
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.8 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 8th Ave over North Branch Kings River built?

It was built in 1970, making it 55 years old in 2025.

What condition is 8th Ave over North Branch Kings River 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 November 2023.

How much traffic does 8th Ave over North Branch Kings River carry?

About 600 vehicles per day (2017 count), of which roughly 15% are trucks.

How long is 8th Ave over North Branch Kings River?

The structure is 362 ft (110.3 m) long with a longest span of 28 ft (8.5 m) and a deck 32 ft wide.

Who owns 8th Ave over North Branch Kings River?

It is owned by the County Highway Agency.