US Bridges

R 182 over Johnson Slough

Fair

Tulare County, California · 0.3 MI N of SH 198 · Structure no. 46C0405

Built
1956
69 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
35 ft
1 main span
Daily traffic
400
2020 count
Owner
County
County Highway Agency

About this bridge

R 182 over Johnson Slough is a concrete slab carrying R 182 over Johnson Slough in Tulare County, California. It was built in 1956, so it is 69 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 400 vehicles a day, roughly 5% of them trucks, projected to reach 547 by 2042. The structure is 35 ft (10.7 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesR 182
CrossesJohnson Slough
Location0.3 MI N of SH 198
RouteCounty Highway 0
Coordinates36.33012, -119.16616
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 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 rating47.2 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span32 ft (9.8 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2020)
Projected traffic547 by 2042
Trucks5%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was R 182 over Johnson Slough built?

It was built in 1956, making it 69 years old in 2025.

What condition is R 182 over Johnson Slough 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 January 2024.

How much traffic does R 182 over Johnson Slough carry?

About 400 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is R 182 over Johnson Slough?

The structure is 35 ft (10.7 m) long with a longest span of 32 ft (9.8 m) and a deck 27 ft wide.

Who owns R 182 over Johnson Slough?

It is owned by the County Highway Agency.