US Bridges

Interstate 805 over So. Branch Chollas Creek

Fair

San Diego County, California · 11-SD-805-12.36 · Structure no. 57 1267

Built
1975
50 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
46 ft
7 main spans
Daily traffic
242,000
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 805 over So. Branch Chollas Creek is a concrete continuous culvert carrying Interstate 805 over So. Branch Chollas Creek in San Diego County, California. It was built in 1975, so it is 50 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 242,000 vehicles a day, roughly 5% of them trucks, projected to reach 285,000 by 2042. The structure is 46 ft (14.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesInterstate 805
CrossesSo. Branch Chollas Creek
Location11-SD-805-12.36
RouteInterstate 805
CountySan Diego County
StateCalifornia
Coordinates32.70633, -117.09654
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans7
Design loadHS 20
Structure length46 ft (14.1 m)
Longest span8 ft (2.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic242,000 (2020)
Projected traffic285,000 by 2042
Trucks5%
Lanes on structure14
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 805 over So. Branch Chollas Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Interstate 805 over So. Branch Chollas Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does Interstate 805 over So. Branch Chollas Creek carry?

About 242,000 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Interstate 805 over So. Branch Chollas Creek?

The structure is 46 ft (14.1 m) long with a longest span of 8 ft (2.5 m).

Who owns Interstate 805 over So. Branch Chollas Creek?

It is owned by the State Highway Agency.