US Bridges

Road 168 over Middle Fork Tule River

Fair

Tulare County, California · 0.8 MI N of Ave 168 · Structure no. 46C0287

Built
1980
45 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete
Length
51 ft
1 main span
Daily traffic
375
1978 count
Owner
County
County Highway Agency

About this bridge

Road 168 over Middle Fork Tule River is a concrete slab carrying Road 168 over Middle Fork Tule River in Tulare County, California. It was built in 1980, so it is 45 years old, younger 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 375 vehicles a day, roughly 10% of them trucks, projected to reach 659 by 2043. The structure is 51 ft (15.5 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesRoad 168
CrossesMiddle Fork Tule River
Location0.8 MI N of Ave 168
RouteCounty Highway 0
Coordinates36.10628, -119.19659
Functional classRural 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.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating79.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span48 ft (14.6 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (1978)
Projected traffic659 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Road 168 over Middle Fork Tule River built?

It was built in 1980, making it 45 years old in 2025.

What condition is Road 168 over Middle Fork Tule 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 February 2023.

How much traffic does Road 168 over Middle Fork Tule River carry?

About 375 vehicles per day (1978 count), of which roughly 10% are trucks.

How long is Road 168 over Middle Fork Tule River?

The structure is 51 ft (15.5 m) long with a longest span of 48 ft (14.6 m) and a deck 32 ft wide.

Who owns Road 168 over Middle Fork Tule River?

It is owned by the County Highway Agency.