US Bridges

Hickman Road over Tuolumne River

Good

Stanislaus County, California · 0.15 MI S State Route 132 · Structure no. 38C0346

Built
2021
4 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
752 ft
5 main spans
Daily traffic
6,441
2016 count
Owner
County
County Highway Agency

About this bridge

Hickman Road over Tuolumne River is a prestressed concrete continuous box beam or girders - multiple carrying Hickman Road over Tuolumne River in Stanislaus County, California. It was built in 2021, so it is 4 years old, younger 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 6,441 vehicles a day, roughly 15% of them trucks, projected to reach 8,326 by 2043. The structure is 752 ft (229.3 m) long and 49 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

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CarriesHickman Road
CrossesTuolumne River
Location0.15 MI S State Route 132
RouteCounty Highway 0
CountyStanislaus County
StateCalifornia
Coordinates37.63488, -120.75781
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length752 ft (229.3 m)
Longest span170 ft (51.8 m)
Deck width49 ft (14.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,441 (2016)
Projected traffic8,326 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Hickman Road over Tuolumne River built?

It was built in 2021, making it 4 years old in 2025.

What condition is Hickman Road over Tuolumne River 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 September 2023.

How much traffic does Hickman Road over Tuolumne River carry?

About 6,441 vehicles per day (2016 count), of which roughly 15% are trucks.

How long is Hickman Road over Tuolumne River?

The structure is 752 ft (229.3 m) long with a longest span of 170 ft (51.8 m) and a deck 49 ft wide.

Who owns Hickman Road over Tuolumne River?

It is owned by the County Highway Agency.