US Bridges

Interstate 8 EB over Waring Road

Good

San Diego County, California · 11-SD-008-7.06-SD · Structure no. 57 0371R

Built
1960
65 years old, rebuilt 1979
Condition
Good
inspected April 2024
Type
Tee Beam
Concrete Continuous
Length
140 ft
3 main spans
Daily traffic
108,500
2014 count
Owner
State
State Highway Agency

About this bridge

Interstate 8 EB over Waring Road is a concrete continuous tee beam carrying Interstate 8 EB over Waring Road in San Diego County, California. It was built in 1960 and reconstructed in 1979, so it is 65 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 108,500 vehicles a day, roughly 4% of them trucks, projected to reach 141,293 by 2042. The structure is 140 ft (42.7 m) long and 94 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesInterstate 8 EB
CrossesWaring Road
Location11-SD-008-7.06-SD
RouteInterstate 8
Coordinates32.78046, -117.08823
Functional classUrban 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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span60 ft (18.3 m)
Deck width94 ft (28.6 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic108,500 (2014)
Projected traffic141,293 by 2042
Trucks4%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 EB over Waring Road built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1979.

What condition is Interstate 8 EB over Waring Road 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 April 2024.

How much traffic does Interstate 8 EB over Waring Road carry?

About 108,500 vehicles per day (2014 count), of which roughly 4% are trucks.

How long is Interstate 8 EB over Waring Road?

The structure is 140 ft (42.7 m) long with a longest span of 60 ft (18.3 m) and a deck 94 ft wide.

Who owns Interstate 8 EB over Waring Road?

It is owned by the State Highway Agency.