US Bridges

Avenue 328(CR J34) over ST Johns River

Fair

Tulare County, California · 0.9 MI W of RD 108 · Structure no. 46C0070

Built
1968
57 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
275 ft
9 main spans
Daily traffic
720
1971 count
Owner
County
County Highway Agency

About this bridge

Avenue 328(CR J34) over ST Johns River is a concrete continuous slab carrying Avenue 328(CR J34) over ST Johns River in Tulare County, California. It was built in 1968, so it is 57 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 720 vehicles a day, roughly 40% of them trucks, projected to reach 1,641 by 2042. The structure is 275 ft (83.8 m) long and 41 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesAvenue 328(CR J34)
CrossesST Johns River
Location0.9 MI W of RD 108
RouteCounty Highway 0
Coordinates36.38528, -119.34824
Functional classRural Minor 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.
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length275 ft (83.8 m)
Longest span32 ft (9.8 m)
Deck width41 ft (12.4 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic720 (1971)
Projected traffic1,641 by 2042
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Avenue 328(CR J34) over ST Johns River built?

It was built in 1968, making it 57 years old in 2025.

What condition is Avenue 328(CR J34) over ST Johns River 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 March 2024.

How much traffic does Avenue 328(CR J34) over ST Johns River carry?

About 720 vehicles per day (1971 count), of which roughly 40% are trucks.

How long is Avenue 328(CR J34) over ST Johns River?

The structure is 275 ft (83.8 m) long with a longest span of 32 ft (9.8 m) and a deck 41 ft wide.

Who owns Avenue 328(CR J34) over ST Johns River?

It is owned by the County Highway Agency.