US Bridges

State Route 76 over Bonsall Creek

Good

San Diego County, California · 11-SD-076-R12.07 · Structure no. 57 1210

Built
2011
14 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
46,000
2014 count
Owner
State
State Highway Agency

About this bridge

State Route 76 over Bonsall Creek is a concrete culvert carrying State Route 76 over Bonsall Creek in San Diego County, California. It was built in 2011, so it is 14 years old, younger 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 46,000 vehicles a day, roughly 13% of them trucks, projected to reach 73,000 by 2044. The structure is 22 ft (6.7 m) long and 253 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 76
CrossesBonsall Creek
Location11-SD-076-R12.07
RouteState Highway 76
Coordinates33.28949, -117.22527
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length22 ft (6.7 m)
Longest span10 ft (3.1 m)
Deck width253 ft (77 m)
Roadway width150 ft (45.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,000 (2014)
Projected traffic73,000 by 2044
Trucks13%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 76 over Bonsall Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is State Route 76 over Bonsall 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 2024.

How much traffic does State Route 76 over Bonsall Creek carry?

About 46,000 vehicles per day (2014 count), of which roughly 13% are trucks.

How long is State Route 76 over Bonsall Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3.1 m) and a deck 253 ft wide.

Who owns State Route 76 over Bonsall Creek?

It is owned by the State Highway Agency.