US Bridges

State Route 99 NB over N Branch Tule River

Poor

Tulare County, California · 06-TUL-099-22.74 · Structure no. 46 0059R

Built
1949
76 years old
Condition
Poor
inspected October 2024
Type
Slab
Concrete Continuous
Length
75 ft
3 main spans
Daily traffic
21,500
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 99 NB over N Branch Tule River is a concrete continuous slab carrying State Route 99 NB over N Branch Tule River in Tulare County, California. It was built in 1949, so it is 76 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 21,500 vehicles a day, roughly 22% of them trucks, projected to reach 46,468 by 2042. The structure is 75 ft (22.9 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 99 NB
CrossesN Branch Tule River
Location06-TUL-099-22.74
RouteState Highway 99
Coordinates36.11266, -119.32359
Functional classRural Principal Arterial - Other

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating29.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span24 ft (7.2 m)
Deck width43 ft (13.1 m)
Roadway width37 ft (11.3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 99 NB over N Branch Tule River built?

It was built in 1949, making it 76 years old in 2025.

What condition is State Route 99 NB over N Branch Tule River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does State Route 99 NB over N Branch Tule River carry?

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

How long is State Route 99 NB over N Branch Tule River?

The structure is 75 ft (22.9 m) long with a longest span of 24 ft (7.2 m) and a deck 43 ft wide.

Who owns State Route 99 NB over N Branch Tule River?

It is owned by the State Highway Agency.