US Bridges

US 90 North Ser RD over Wragg Swamp Canal

Fair

Mobile County, Alabama · 0.5 MI W I-65 · Structure no. 018556

Built
2004
21 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
5 main spans
Daily traffic
5,506
2023 count
Owner
State
State Highway Agency

About this bridge

US 90 North Ser RD over Wragg Swamp Canal is a prestressed concrete stringer/multi-beam or girder carrying US 90 North Ser RD over Wragg Swamp Canal in Mobile County, Alabama. It was built in 2004, so it is 21 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 5,506 vehicles a day, roughly 5% of them trucks, projected to reach 8,259 by 2043. The structure is 200 ft (61 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 90 North Ser RD
CrossesWragg Swamp Canal
Location0.5 MI W I-65
RouteU.S. Route 90
CountyMobile County
StateAlabama
Coordinates30.65017, -88.12619
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69.7 US tons
Inventory rating41.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length200 ft (61 m)
Longest span40 ft (12.2 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,506 (2023)
Projected traffic8,259 by 2043
Trucks5%
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$1.9 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 2004, making it 21 years old in 2025.

What condition is US 90 North 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 North Ser RD over Wragg Swamp Canal carry?

About 5,506 vehicles per day (2023 count), of which roughly 5% are trucks.

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

The structure is 200 ft (61 m) long with a longest span of 40 ft (12.2 m) and a deck 36 ft wide.

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

It is owned by the State Highway Agency.