US Bridges

State Route 168 over North Fork Bishop Creek

Fair

Inyo County, California · 09-INY-168-15.40-BIS · Structure no. 48 0025

Built
1982
43 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
8,000
2017 count
Owner
State
State Highway Agency

About this bridge

State Route 168 over North Fork Bishop Creek is a concrete slab carrying State Route 168 over North Fork Bishop Creek in Inyo County, California. It was built in 1982, so it is 43 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 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 8,000 vehicles a day, roughly 4% of them trucks, projected to reach 9,476 by 2041. The structure is 26 ft (7.9 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 168
CrossesNorth Fork Bishop Creek
Location09-INY-168-15.40-BIS
RouteState Highway 168
Coordinates37.3612, -118.44842
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating33.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span18 ft (5.5 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,000 (2017)
Projected traffic9,476 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 168 over North Fork Bishop Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is State Route 168 over North Fork Bishop Creek 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 September 2024.

How much traffic does State Route 168 over North Fork Bishop Creek carry?

About 8,000 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is State Route 168 over North Fork Bishop Creek?

The structure is 26 ft (7.9 m) long with a longest span of 18 ft (5.5 m) and a deck 43 ft wide.

Who owns State Route 168 over North Fork Bishop Creek?

It is owned by the State Highway Agency.