US Bridges

River Road over Orestimba Creek

Good

Stanislaus County, California · 0.6 MI SE Crows Lnding RD · Structure no. 38C0043

Built
1958
67 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
85 ft
3 main spans
Daily traffic
2,246
2017 count
Owner
County
County Highway Agency

About this bridge

River Road over Orestimba Creek is a concrete continuous slab carrying River Road over Orestimba Creek in Stanislaus County, California. It was built in 1958, so it is 67 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 2,246 vehicles a day, roughly 19% of them trucks, projected to reach 4,174 by 2045. The structure is 85 ft (25.9 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRiver Road
CrossesOrestimba Creek
Location0.6 MI SE Crows Lnding RD
RouteCounty Highway 0
Coordinates37.41386, -121.01494
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 inspectionOctober 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.5 US tons
Inventory rating31.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span28 ft (8.5 m)
Deck width33 ft (10 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,246 (2017)
Projected traffic4,174 by 2045
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 River Road over Orestimba Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is River Road over Orestimba Creek 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 October 2023.

How much traffic does River Road over Orestimba Creek carry?

About 2,246 vehicles per day (2017 count), of which roughly 19% are trucks.

How long is River Road over Orestimba Creek?

The structure is 85 ft (25.9 m) long with a longest span of 28 ft (8.5 m) and a deck 33 ft wide.

Who owns River Road over Orestimba Creek?

It is owned by the County Highway Agency.