US Bridges

US 43 over Norfolk Southern

Good

Marengo County, Alabama · Demopolis · Structure no. 013602

Built
1985
40 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
3,740
2013 count
Owner
State
State Highway Agency

About this bridge

US 43 over Norfolk Southern is a prestressed concrete box beam or girders - multiple carrying US 43 over Norfolk Southern in Marengo County, Alabama. It was built in 1985, so it is 40 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 3,740 vehicles a day, roughly 9% of them trucks, projected to reach 4,804 by 2033. The structure is 50 ft (15.2 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 43
CrossesNorfolk Southern
LocationDemopolis
RouteU.S. Route 43
StateAlabama
Coordinates32.51607, -87.83515
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.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating76.4 US tons
Inventory rating33.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,740 (2013)
Projected traffic4,804 by 2033
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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$664,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 43 over Norfolk Southern built?

It was built in 1985, making it 40 years old in 2025.

What condition is US 43 over Norfolk Southern 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 July 2023.

How much traffic does US 43 over Norfolk Southern carry?

About 3,740 vehicles per day (2013 count), of which roughly 9% are trucks.

How long is US 43 over Norfolk Southern?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 40 ft wide.

Who owns US 43 over Norfolk Southern?

It is owned by the State Highway Agency.