US Bridges

State Route 137 over Inside Creek

Fair

Tulare County, California · 06-TUL-137-22.70 · Structure no. 46 0119

Built
1921
104 years old, rebuilt 1970
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
43 ft
3 main spans
Daily traffic
21,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 137 over Inside Creek is a concrete continuous slab carrying State Route 137 over Inside Creek in Tulare County, California. It was built in 1921 and reconstructed in 1970, so it is 104 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 21,000 vehicles a day, roughly 8% of them trucks, projected to reach 43,050 by 2046. The structure is 43 ft (13.1 m) long and 51 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesState Route 137
CrossesInside Creek
Location06-TUL-137-22.70
RouteState Highway 137
Coordinates36.21082, -119.22022
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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 geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.3 US tons
Inventory rating22.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span14 ft (4.3 m)
Deck width51 ft (15.5 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,000 (2009)
Projected traffic43,050 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

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 137 over Inside Creek built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 1970.

What condition is State Route 137 over Inside 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 February 2024.

How much traffic does State Route 137 over Inside Creek carry?

About 21,000 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is State Route 137 over Inside Creek?

The structure is 43 ft (13.1 m) long with a longest span of 14 ft (4.3 m) and a deck 51 ft wide.

Who owns State Route 137 over Inside Creek?

It is owned by the State Highway Agency.