US Bridges

Interstate 8 WB over State Highway 94

Good

San Diego County, California · 11-SD-008-R65.88 · Structure no. 57 0604L

Built
1967
58 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
194 ft
3 main spans
Daily traffic
8,000
2014 count
Owner
State
State Highway Agency

About this bridge

Interstate 8 WB over State Highway 94 is a concrete continuous box beam or girders - multiple carrying Interstate 8 WB over State Highway 94 in San Diego County, California. It was built in 1967, so it is 58 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 8,000 vehicles a day, roughly 14% of them trucks, projected to reach 9,367 by 2042. The structure is 194 ft (59.1 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 8 WB
CrossesState Highway 94
Location11-SD-008-R65.88
RouteInterstate 8
Coordinates32.67739, -116.29141
Functional classRural Principal Arterial - Interstate

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 inspectionMay 2023
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 rating50.7 US tons
Inventory rating39.2 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length194 ft (59.1 m)
Longest span76 ft (23.2 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,000 (2014)
Projected traffic9,367 by 2042
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 8 WB over State Highway 94 built?

It was built in 1967, making it 58 years old in 2025.

What condition is Interstate 8 WB over State Highway 94 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 May 2023.

How much traffic does Interstate 8 WB over State Highway 94 carry?

About 8,000 vehicles per day (2014 count), of which roughly 14% are trucks.

How long is Interstate 8 WB over State Highway 94?

The structure is 194 ft (59.1 m) long with a longest span of 76 ft (23.2 m) and a deck 41 ft wide.

Who owns Interstate 8 WB over State Highway 94?

It is owned by the State Highway Agency.