US Bridges

Old River RD over Gopher Canyon Creek

Good

San Diego County, California · 0.1MI S/O Gopher Cyn RD · Structure no. 57C0056

Built
1915
110 years old, rebuilt 1974
Condition
Good
inspected June 2023
Type
Tee Beam
Concrete
Length
26 ft
1 main span
Daily traffic
1,430
2023 count
Owner
County
County Highway Agency

About this bridge

Old River RD over Gopher Canyon Creek is a concrete tee beam carrying Old River RD over Gopher Canyon Creek in San Diego County, California. It was built in 1915 and reconstructed in 1974, so it is 110 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 1,430 vehicles a day, roughly 1% of them trucks, projected to reach 3,753 by 2045. The structure is 26 ft (7.9 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesOld River RD
CrossesGopher Canyon Creek
Location0.1MI S/O Gopher Cyn RD
RouteCounty Highway 0
Coordinates33.26573, -117.23311
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating31.7 US tons
Inventory rating19 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,430 (2023)
Projected traffic3,753 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Old River RD over Gopher Canyon Creek built?

It was built in 1915, making it 110 years old in 2025. It was reconstructed in 1974.

What condition is Old River RD over Gopher Canyon 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 June 2023.

How much traffic does Old River RD over Gopher Canyon Creek carry?

About 1,430 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Old River RD over Gopher Canyon Creek?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 42 ft wide.

Who owns Old River RD over Gopher Canyon Creek?

It is owned by the County Highway Agency.