US Bridges

Waring Road over Interstate 8 WB

Good

San Diego County, California · 11-SD-008-7.08-SD · Structure no. 57 1047

Built
1992
33 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
138 ft
1 main span
Daily traffic
10,500
2014 count
Owner
State
State Highway Agency

About this bridge

Waring Road over Interstate 8 WB is a prestressed concrete box beam or girders - multiple carrying Waring Road over Interstate 8 WB in San Diego County, California. It was built in 1992, so it is 33 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 10,500 vehicles a day, roughly 2% of them trucks, projected to reach 15,405 by 2042. The structure is 138 ft (42.1 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWaring Road
CrossesInterstate 8 WB
Location11-SD-008-7.08-SD
RouteCity Street 0S123
Coordinates32.78126, -117.08772
Functional classUrban Other Principal Arterial

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 evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length138 ft (42.1 m)
Longest span136 ft (41.5 m)
Deck width56 ft (17.2 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,500 (2014)
Projected traffic15,405 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-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 Waring Road over Interstate 8 WB built?

It was built in 1992, making it 33 years old in 2025.

What condition is Waring Road over Interstate 8 WB 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 Waring Road over Interstate 8 WB carry?

About 10,500 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is Waring Road over Interstate 8 WB?

The structure is 138 ft (42.1 m) long with a longest span of 136 ft (41.5 m) and a deck 56 ft wide.

Who owns Waring Road over Interstate 8 WB?

It is owned by the State Highway Agency.