US Bridges

Tuolumne Street over State Route 99

Fair

Fresno County, California · 06-FRE-099-20.92-FRE · Structure no. 42 0171

Built
1957
68 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete Continuous
Length
158 ft
2 main spans
Daily traffic
7,200
2018 count
Owner
State
State Highway Agency

About this bridge

Tuolumne Street over State Route 99 is a concrete continuous tee beam carrying Tuolumne Street over State Route 99 in Fresno County, California. It was built in 1957, so it is 68 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 7,200 vehicles a day, roughly 2% of them trucks, projected to reach 10,000 by 2040. The structure is 158 ft (48.1 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTuolumne Street
CrossesState Route 99
Location06-FRE-099-20.92-FRE
RouteCity Street 0F430
Coordinates36.73284, -119.80153
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length158 ft (48.1 m)
Longest span79 ft (24 m)
Deck width54 ft (16.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,200 (2018)
Projected traffic10,000 by 2040
Trucks2%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Tuolumne Street over State Route 99 built?

It was built in 1957, making it 68 years old in 2025.

What condition is Tuolumne Street over State Route 99 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 November 2023.

How much traffic does Tuolumne Street over State Route 99 carry?

About 7,200 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Tuolumne Street over State Route 99?

The structure is 158 ft (48.1 m) long with a longest span of 79 ft (24 m) and a deck 54 ft wide.

Who owns Tuolumne Street over State Route 99?

It is owned by the State Highway Agency.