US Bridges

Gurr Road over South Slough

Good

Merced County, California · 0.3 MI N Oak Avenue · Structure no. 39C0281

Built
1930
95 years old, rebuilt 2014
Condition
Good
inspected January 2024
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
926
2008 count
Owner
County
County Highway Agency

About this bridge

Gurr Road over South Slough is a concrete slab carrying Gurr Road over South Slough in Merced County, California. It was built in 1930 and reconstructed in 2014, so it is 95 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 926 vehicles a day, roughly 18% of them trucks, projected to reach 628 by 2046. The structure is 22 ft (6.7 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesGurr Road
CrossesSouth Slough
Location0.3 MI N Oak Avenue
RouteCounty Highway 0
Coordinates37.28382, -120.55987
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 inspectionJanuary 2024
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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span20 ft (6.2 m)
Deck width26 ft (7.8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic926 (2008)
Projected traffic628 by 2046
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Gurr Road over South Slough built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 2014.

What condition is Gurr Road over South Slough 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 January 2024.

How much traffic does Gurr Road over South Slough carry?

About 926 vehicles per day (2008 count), of which roughly 18% are trucks.

How long is Gurr Road over South Slough?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.2 m) and a deck 26 ft wide.

Who owns Gurr Road over South Slough?

It is owned by the County Highway Agency.