US Bridges

US 90 South Ser RD over Wragg Swamp Canal

Fair

Mobile County, Alabama · 0.5 MI W I-65 · Structure no. 010005

Built
1969
56 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
204 ft
6 main spans
Daily traffic
2,633
2023 count
Owner
State
State Highway Agency

About this bridge

US 90 South Ser RD over Wragg Swamp Canal is a concrete tee beam carrying US 90 South Ser RD over Wragg Swamp Canal in Mobile County, Alabama. It was built in 1969, so it is 56 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 2,633 vehicles a day, roughly 9% of them trucks, projected to reach 3,950 by 2043. The structure is 204 ft (62.2 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 90 South Ser RD
CrossesWragg Swamp Canal
Location0.5 MI W I-65
RouteU.S. Route 90
CountyMobile County
StateAlabama
Coordinates30.64979, -88.12583
Functional classUrban Other Principal 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.4 US tons
Inventory rating32 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length204 ft (62.2 m)
Longest span34 ft (10.4 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,633 (2023)
Projected traffic3,950 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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 proposedNone recorded
Estimated improvement cost$1.8 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 90 South Ser RD over Wragg Swamp Canal built?

It was built in 1969, making it 56 years old in 2025.

What condition is US 90 South Ser RD over Wragg Swamp Canal 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 July 2024.

How much traffic does US 90 South Ser RD over Wragg Swamp Canal carry?

About 2,633 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is US 90 South Ser RD over Wragg Swamp Canal?

The structure is 204 ft (62.2 m) long with a longest span of 34 ft (10.4 m) and a deck 33 ft wide.

Who owns US 90 South Ser RD over Wragg Swamp Canal?

It is owned by the State Highway Agency.