US Bridges

State Route 99 SB over South Branch Tule River

Fair

Tulare County, California · 06-TUL-099-21.43 · Structure no. 46 0056L

Built
1931
94 years old, rebuilt 2013
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
301 ft
25 main spans
Daily traffic
21,500
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 99 SB over South Branch Tule River is a concrete continuous culvert carrying State Route 99 SB over South Branch Tule River in Tulare County, California. It was built in 1931 and reconstructed in 2013, 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 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 21,500 vehicles a day, roughly 22% of them trucks, projected to reach 46,468 by 2042. The structure is 301 ft (91.7 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 99 SB
CrossesSouth Branch Tule River
Location06-TUL-099-21.43
RouteState Highway 99
Coordinates36.09358, -119.32206
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum 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 spans25
Design loadUnknown
Structure length301 ft (91.7 m)
Longest span12 ft (3.6 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,500 (2009)
Projected traffic46,468 by 2042
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 SB over South Branch Tule River built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 2013.

What condition is State Route 99 SB over South Branch Tule River 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 August 2024.

How much traffic does State Route 99 SB over South Branch Tule River carry?

About 21,500 vehicles per day (2009 count), of which roughly 22% are trucks.

How long is State Route 99 SB over South Branch Tule River?

The structure is 301 ft (91.7 m) long with a longest span of 12 ft (3.6 m) and a deck 43 ft wide.

Who owns State Route 99 SB over South Branch Tule River?

It is owned by the State Highway Agency.