US Bridges

State Route 76 WB over Mission Ave

Good

San Diego County, California · 11-SD-076-M2.88-OCN · Structure no. 57 1017L

Built
1999
26 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
743 ft
6 main spans
Daily traffic
27,500
2014 count
Owner
State
State Highway Agency

About this bridge

State Route 76 WB over Mission Ave is a prestressed concrete continuous box beam or girders - multiple carrying State Route 76 WB over Mission Ave in San Diego County, California. It was built in 1999, so it is 26 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 27,500 vehicles a day, roughly 4% of them trucks, projected to reach 35,944 by 2044. The structure is 743 ft (226.5 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 76 WB
CrossesMission Ave
Location11-SD-076-M2.88-OCN
RouteState Highway 76
Coordinates33.21993, -117.33955
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length743 ft (226.5 m)
Longest span141 ft (43 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,500 (2014)
Projected traffic35,944 by 2044
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 State Route 76 WB over Mission Ave built?

It was built in 1999, making it 26 years old in 2025.

What condition is State Route 76 WB over Mission Ave 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 WB over Mission Ave carry?

About 27,500 vehicles per day (2014 count), of which roughly 4% are trucks.

How long is State Route 76 WB over Mission Ave?

The structure is 743 ft (226.5 m) long with a longest span of 141 ft (43 m) and a deck 42 ft wide.

Who owns State Route 76 WB over Mission Ave?

It is owned by the State Highway Agency.