US Bridges

Interstate 8 EB over California Wasteway

Good

Imperial County, California · 11-IMP-008-R96.33 · Structure no. 58 0310R

Built
1973
52 years old
Condition
Good
inspected January 2025
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
205 ft
3 main spans
Daily traffic
8,350
2022 count
Owner
State
State Highway Agency

About this bridge

Interstate 8 EB over California Wasteway is a concrete continuous box beam or girders - multiple carrying Interstate 8 EB over California Wasteway in Imperial County, California. It was built in 1973, so it is 52 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 8,350 vehicles a day, roughly 19% of them trucks, projected to reach 14,426 by 2042. The structure is 205 ft (62.5 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 8 EB
CrossesCalifornia Wasteway
Location11-IMP-008-R96.33
RouteInterstate 8
Coordinates32.73247, -114.62785
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.7 US tons
Inventory rating57.1 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length205 ft (62.5 m)
Longest span82 ft (25 m)
Deck width49 ft (14.9 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,350 (2022)
Projected traffic14,426 by 2042
Trucks19%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Interstate 8 EB over California Wasteway built?

It was built in 1973, making it 52 years old in 2025.

What condition is Interstate 8 EB over California Wasteway 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 January 2025.

How much traffic does Interstate 8 EB over California Wasteway carry?

About 8,350 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is Interstate 8 EB over California Wasteway?

The structure is 205 ft (62.5 m) long with a longest span of 82 ft (25 m) and a deck 49 ft wide.

Who owns Interstate 8 EB over California Wasteway?

It is owned by the State Highway Agency.