US Bridges

US 90 EB to I10 EB over US 90 EB * WB

Fair

Mobile County, Alabama · East Tunnel Interchange · Structure no. 010853

Built
1973
52 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
952 ft
18 main spans
Daily traffic
4,677
2023 count
Owner
State
State Highway Agency

About this bridge

US 90 EB to I10 EB over US 90 EB * WB is a prestressed concrete stringer/multi-beam or girder carrying US 90 EB to I10 EB over US 90 EB * WB in Mobile County, Alabama. It was built in 1973, so it is 52 years old, older than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,677 vehicles a day, roughly 2% of them trucks, projected to reach 7,016 by 2043. The structure is 952 ft (290.2 m) long and 29 ft wide.

CarriesUS 90 EB to I10 EB
CrossesUS 90 EB * WB
LocationEast Tunnel Interchange
RouteInterstate 10
StateAlabama
Coordinates30.69153, -88.02728
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating41 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans18
Design loadHS 20
Structure length952 ft (290.2 m)
Longest span70 ft (21.3 m)
Deck width29 ft (8.8 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,677 (2023)
Projected traffic7,016 by 2043
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$6.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 90 EB to I10 EB over US 90 EB * WB built?

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

What condition is US 90 EB to I10 EB over US 90 EB * WB in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does US 90 EB to I10 EB over US 90 EB * WB carry?

About 4,677 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is US 90 EB to I10 EB over US 90 EB * WB?

The structure is 952 ft (290.2 m) long with a longest span of 70 ft (21.3 m) and a deck 29 ft wide.

Who owns US 90 EB to I10 EB over US 90 EB * WB?

It is owned by the State Highway Agency.