US Bridges

RD 156 over Deep Creek

Fair

Tulare County, California · 1.4 MI S of Ave 280 · Structure no. 46C0388

Built
1959
66 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
29 ft
1 main span
Daily traffic
425
1978 count
Owner
County
County Highway Agency

About this bridge

RD 156 over Deep Creek is a concrete slab carrying RD 156 over Deep Creek in Tulare County, California. It was built in 1959, so it is 66 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 425 vehicles a day, roughly 5% of them trucks, projected to reach 657 by 2042. The structure is 29 ft (8.7 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRD 156
CrossesDeep Creek
Location1.4 MI S of Ave 280
RouteCounty Highway 0
Coordinates36.27623, -119.22501
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
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 rating55.7 US tons
Inventory rating33.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length29 ft (8.7 m)
Longest span26 ft (7.9 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic425 (1978)
Projected traffic657 by 2042
Trucks5%
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 RD 156 over Deep Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is RD 156 over Deep 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 January 2024.

How much traffic does RD 156 over Deep Creek carry?

About 425 vehicles per day (1978 count), of which roughly 5% are trucks.

How long is RD 156 over Deep Creek?

The structure is 29 ft (8.7 m) long with a longest span of 26 ft (7.9 m) and a deck 28 ft wide.

Who owns RD 156 over Deep Creek?

It is owned by the County Highway Agency.