US Bridges

Buckman Springs RD over Cottonwood Creek

Good

San Diego County, California · 1.5 MI S/O I-8 · Structure no. 57C0271

Built
1942
83 years old, rebuilt 1981
Condition
Good
inspected January 2025
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
4,300
2023 count
Owner
County
County Highway Agency

About this bridge

Buckman Springs RD over Cottonwood Creek is a concrete continuous culvert carrying Buckman Springs RD over Cottonwood Creek in San Diego County, California. It was built in 1942 and reconstructed in 1981, so it is 83 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 4,300 vehicles a day, roughly 3% of them trucks, projected to reach 4,531 by 2045. The structure is 23 ft (7 m) long and 44 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesBuckman Springs RD
CrossesCottonwood Creek
Location1.5 MI S/O I-8
RouteCounty Highway 0
Coordinates32.74249, -116.49429
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2023)
Projected traffic4,531 by 2045
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Buckman Springs RD over Cottonwood Creek built?

It was built in 1942, making it 83 years old in 2025. It was reconstructed in 1981.

What condition is Buckman Springs RD over Cottonwood 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 January 2025.

How much traffic does Buckman Springs RD over Cottonwood Creek carry?

About 4,300 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Buckman Springs RD over Cottonwood Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 44 ft wide.

Who owns Buckman Springs RD over Cottonwood Creek?

It is owned by the County Highway Agency.