US Bridges

State Route 79 over Some Creek

Good

San Diego County, California · 11-SD-079-41.96 · Structure no. 57 0068

Built
1927
98 years old, rebuilt 1944
Condition
Good
inspected July 2024
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
1,700
2020 count
Owner
State
State Highway Agency

About this bridge

State Route 79 over Some Creek is a concrete slab carrying State Route 79 over Some Creek in San Diego County, California. It was built in 1927 and reconstructed in 1944, so it is 98 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 1,700 vehicles a day, roughly 16% of them trucks, projected to reach 3,200 by 2045. The structure is 26 ft (7.9 m) long and 28 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

CarriesState Route 79
CrossesSome Creek
Location11-SD-079-41.96
RouteState Highway 79
Coordinates33.33125, -116.70972
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating29.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2020)
Projected traffic3,200 by 2045
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 79 over Some Creek built?

It was built in 1927, making it 98 years old in 2025. It was reconstructed in 1944.

What condition is State Route 79 over Some 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 July 2024.

How much traffic does State Route 79 over Some Creek carry?

About 1,700 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is State Route 79 over Some Creek?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 28 ft wide.

Who owns State Route 79 over Some Creek?

It is owned by the State Highway Agency.