US Bridges

US 43 over Relief

Good

Marengo County, Alabama · .1MI. N of Demopolis · Structure no. 014531

Built
1988
37 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
510 ft
15 main spans
Daily traffic
4,640
2013 count
Owner
State
State Highway Agency

About this bridge

US 43 over Relief is a prestressed concrete continuous stringer/multi-beam or girder carrying US 43 over Relief in Marengo County, Alabama. It was built in 1988, so it is 37 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,640 vehicles a day, roughly 15% of them trucks, projected to reach 5,960 by 2033. The structure is 510 ft (155.4 m) long and 47 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

CarriesUS 43
CrossesRelief
Location.1MI. N of Demopolis
RouteU.S. Route 43
StateAlabama
Coordinates32.52506, -87.83751
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating31 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans15
Design loadHS 20
Structure length510 ft (155.4 m)
Longest span34 ft (10.4 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,640 (2013)
Projected traffic5,960 by 2033
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed60.3 mi (97 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$5.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 43 over Relief built?

It was built in 1988, making it 37 years old in 2025.

What condition is US 43 over Relief in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does US 43 over Relief carry?

About 4,640 vehicles per day (2013 count), of which roughly 15% are trucks.

How long is US 43 over Relief?

The structure is 510 ft (155.4 m) long with a longest span of 34 ft (10.4 m) and a deck 47 ft wide.

Who owns US 43 over Relief?

It is owned by the State Highway Agency.