US Bridges

State Route 99 over Tule River Overflow

Good

Tulare County, California · 06-TUL-099-22.23 · Structure no. 46 0139

Built
1931
94 years old, rebuilt 1965
Condition
Good
inspected August 2024
Type
Culvert
Concrete Continuous
Length
30 ft
3 main spans
Daily traffic
43,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 99 over Tule River Overflow is a concrete continuous culvert carrying State Route 99 over Tule River Overflow in Tulare County, California. It was built in 1931 and reconstructed in 1965, so it is 94 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 43,000 vehicles a day, roughly 22% of them trucks, projected to reach 92,936 by 2042. The structure is 30 ft (9.1 m) long and 200 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesState Route 99
CrossesTule River Overflow
Location06-TUL-099-22.23
RouteState Highway 99
Coordinates36.10528, -119.32295
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span9 ft (2.7 m)
Deck width200 ft (61 m)
Roadway width108 ft (32.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43,000 (2009)
Projected traffic92,936 by 2042
Trucks22%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 99 over Tule River Overflow built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1965.

What condition is State Route 99 over Tule River Overflow in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does State Route 99 over Tule River Overflow carry?

About 43,000 vehicles per day (2009 count), of which roughly 22% are trucks.

How long is State Route 99 over Tule River Overflow?

The structure is 30 ft (9.1 m) long with a longest span of 9 ft (2.7 m) and a deck 200 ft wide.

Who owns State Route 99 over Tule River Overflow?

It is owned by the State Highway Agency.