US Bridges

State Route 94 WB over Interstate 15

Good

San Diego County, California · 11-SD-094-3.17-SD · Structure no. 57 0285L

Built
1959
66 years old, rebuilt 1996
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
184 ft
4 main spans
Daily traffic
74,000
2016 count
Owner
State
State Highway Agency

About this bridge

State Route 94 WB over Interstate 15 is a concrete continuous box beam or girders - multiple carrying State Route 94 WB over Interstate 15 in San Diego County, California. It was built in 1959 and reconstructed in 1996, so it is 66 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 74,000 vehicles a day, roughly 4% of them trucks, projected to reach 107,833 by 2045. The structure is 184 ft (56.1 m) long and 85 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 94 WB
CrossesInterstate 15
Location11-SD-094-3.17-SD
RouteState Highway 94
Coordinates32.71719, -117.1179
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable 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

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length184 ft (56.1 m)
Longest span55 ft (16.8 m)
Deck width85 ft (25.8 m)
Roadway width80 ft (24.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic74,000 (2016)
Projected traffic107,833 by 2045
Trucks4%
Lanes on structure5
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 94 WB over Interstate 15 built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1996.

What condition is State Route 94 WB over Interstate 15 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 October 2024.

How much traffic does State Route 94 WB over Interstate 15 carry?

About 74,000 vehicles per day (2016 count), of which roughly 4% are trucks.

How long is State Route 94 WB over Interstate 15?

The structure is 184 ft (56.1 m) long with a longest span of 55 ft (16.8 m) and a deck 85 ft wide.

Who owns State Route 94 WB over Interstate 15?

It is owned by the State Highway Agency.