US Bridges

Interstate 8 EB over Myer Creek

Good

Imperial County, California · 11-IMP-008-R7.22R · Structure no. 58 0270R

Built
1942
83 years old, rebuilt 1964
Condition
Good
inspected May 2024
Type
Arch - Deck
Concrete
Length
180 ft
1 main span
Daily traffic
7,105
2018 count
Owner
State
State Highway Agency

About this bridge

Interstate 8 EB over Myer Creek is a concrete arch - deck carrying Interstate 8 EB over Myer Creek in Imperial County, California. It was built in 1942 and reconstructed in 1964, so it is 83 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 180 ft (54.9 m) long and 42 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesInterstate 8 EB
CrossesMyer Creek
Location11-IMP-008-R7.22R
RouteInterstate 8
Coordinates32.70572, -116.05348
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 stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.2 US tons
Inventory rating21.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+5 approach)
Design loadH 20
Structure length180 ft (54.9 m)
Longest span117 ft (35.7 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 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 closed6.2 mi (10 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 Myer Creek built?

It was built in 1942, making it 83 years old in 2025. It was reconstructed in 1964.

What condition is Interstate 8 EB over Myer Creek 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 EB over Myer Creek carry?

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

How long is Interstate 8 EB over Myer Creek?

The structure is 180 ft (54.9 m) long with a longest span of 117 ft (35.7 m) and a deck 42 ft wide.

Who owns Interstate 8 EB over Myer Creek?

It is owned by the State Highway Agency.