US Bridges

Interstate 8 WB over Devils Canyon

Good

Imperial County, California · 11-IMP-008-R4.94L · Structure no. 58 0294L

Built
1963
62 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
480 ft
3 main spans
Daily traffic
7,105
2018 count
Owner
State
State Highway Agency

About this bridge

Interstate 8 WB over Devils Canyon is a steel continuous stringer/multi-beam or girder carrying Interstate 8 WB over Devils Canyon in Imperial County, California. It was built in 1963, so it is 62 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 7,105 vehicles a day, roughly 20% of them trucks, projected to reach 12,837 by 2041. The structure is 480 ft (146.3 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesInterstate 8 WB
CrossesDevils Canyon
Location11-IMP-008-R4.94L
RouteInterstate 8
Coordinates32.6993, -116.08132
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.9 US tons
Inventory rating50.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length480 ft (146.3 m)
Longest span200 ft (61 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,105 (2018)
Projected traffic12,837 by 2041
Trucks20%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Interstate 8 WB over Devils Canyon built?

It was built in 1963, making it 62 years old in 2025.

What condition is Interstate 8 WB over Devils Canyon 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 2024.

How much traffic does Interstate 8 WB over Devils Canyon carry?

About 7,105 vehicles per day (2018 count), of which roughly 20% are trucks.

How long is Interstate 8 WB over Devils Canyon?

The structure is 480 ft (146.3 m) long with a longest span of 200 ft (61 m) and a deck 34 ft wide.

Who owns Interstate 8 WB over Devils Canyon?

It is owned by the State Highway Agency.