US Bridges

US 90 EB over Tensaw/Spanish River

Fair

Mobile County, Alabama · Mobile/Baldwin CO Line · Structure no. 016035

Built
1998
27 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,450 ft
5 main spans
Daily traffic
13,355
2022 count
Owner
State
State Highway Agency

About this bridge

US 90 EB over Tensaw/Spanish River is a prestressed concrete stringer/multi-beam or girder carrying US 90 EB over Tensaw/Spanish River in Mobile County, Alabama. It was built in 1998, so it is 27 years old, younger 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 13,355 vehicles a day, roughly 4% of them trucks, projected to reach 20,033 by 2042. The structure is 1,450 ft (442.1 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 90 EB
CrossesTensaw/Spanish River
LocationMobile/Baldwin CO Line
RouteU.S. Route 90
StateAlabama
Coordinates30.68492, -88.01079
Functional classUrban Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating91.4 US tons
Inventory rating57.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5 (+6 approach)
Design loadHS 20
Structure length1,450 ft (442.1 m)
Longest span140 ft (42.7 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,355 (2022)
Projected traffic20,033 by 2042
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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$14 million (2025 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US 90 EB over Tensaw/Spanish River built?

It was built in 1998, making it 27 years old in 2025.

What condition is US 90 EB over Tensaw/Spanish River 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 September 2023.

How much traffic does US 90 EB over Tensaw/Spanish River carry?

About 13,355 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is US 90 EB over Tensaw/Spanish River?

The structure is 1,450 ft (442.1 m) long with a longest span of 140 ft (42.7 m) and a deck 43 ft wide.

Who owns US 90 EB over Tensaw/Spanish River?

It is owned by the State Highway Agency.