US Bridges

Geer Road over Tuolumne River

Good

Stanislaus County, California · 1.3 MI S State Route 132 · Structure no. 38C0048

Built
1960
65 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
656 ft
7 main spans
Daily traffic
13,202
2016 count
Owner
County
County Highway Agency

About this bridge

Geer Road over Tuolumne River is a concrete continuous box beam or girders - multiple carrying Geer Road over Tuolumne River in Stanislaus County, California. It was built in 1960, so it is 65 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 13,202 vehicles a day, roughly 21% of them trucks, projected to reach 15,716 by 2043. The structure is 656 ft (199.9 m) long and 33 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesGeer Road
CrossesTuolumne River
Location1.3 MI S State Route 132
RouteCounty Highway 0
Coordinates37.61721, -120.84539
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating45 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length656 ft (199.9 m)
Longest span100 ft (30.5 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,202 (2016)
Projected traffic15,716 by 2043
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Geer Road over Tuolumne River built?

It was built in 1960, making it 65 years old in 2025.

What condition is Geer 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 Geer Road over Tuolumne River carry?

About 13,202 vehicles per day (2016 count), of which roughly 21% are trucks.

How long is Geer Road over Tuolumne River?

The structure is 656 ft (199.9 m) long with a longest span of 100 ft (30.5 m) and a deck 33 ft wide.

Who owns Geer Road over Tuolumne River?

It is owned by the County Highway Agency.