US Bridges

US 90 WB over Tensaw/Spanish River

Poor

Mobile County, Alabama · Mobile - Bald CO Line · Structure no. 008714

Built
1965
60 years old
Condition
Poor
inspected September 2023
Type
Girder and Floorbeam System
Steel Continuous
Length
1,452 ft
5 main spans
Daily traffic
13,355
2022 count
Owner
State
State Highway Agency

About this bridge

US 90 WB over Tensaw/Spanish River is a steel continuous girder and floorbeam system carrying US 90 WB over Tensaw/Spanish River in Mobile County, Alabama. It was built in 1965, so it is 60 years old, older than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 13,355 vehicles a day, roughly 4% of them trucks, projected to reach 20,033 by 2042. The structure is 1,452 ft (442.6 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 90 WB
CrossesTensaw/Spanish River
LocationMobile - Bald CO Line
RouteU.S. Route 90
StateAlabama
Coordinates30.68504, -88.01068
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5 (+8 approach)
Design loadHS 20
Structure length1,452 ft (442.6 m)
Longest span202 ft (61.6 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 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 closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$11 million (2025 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

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

It was built in 1965, making it 60 years old in 2025.

What condition is US 90 WB over Tensaw/Spanish River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.

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

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

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

The structure is 1,452 ft (442.6 m) long with a longest span of 202 ft (61.6 m) and a deck 33 ft wide.

Who owns US 90 WB over Tensaw/Spanish River?

It is owned by the State Highway Agency.