US Bridges

US 43 over Whitfield Canal

Good

Marengo County, Alabama · Demopolis · Structure no. 014530

Built
1988
37 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
7,830
2013 count
Owner
State
State Highway Agency

About this bridge

US 43 over Whitfield Canal is a concrete culvert carrying US 43 over Whitfield Canal 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 7,830 vehicles a day, roughly 9% of them trucks, projected to reach 10,058 by 2033. The structure is 26 ft (8 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 43
CrossesWhitfield Canal
LocationDemopolis
RouteU.S. Route 43
StateAlabama
Coordinates32.50584, -87.8353
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
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 rating69.9 US tons
Inventory rating41.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length26 ft (8 m)
Longest span12 ft (3.7 m)
Deck width44 ft (13.4 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,830 (2013)
Projected traffic10,058 by 2033
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$452,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 43 over Whitfield Canal built?

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

What condition is US 43 over Whitfield Canal 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 Whitfield Canal carry?

About 7,830 vehicles per day (2013 count), of which roughly 9% are trucks.

How long is US 43 over Whitfield Canal?

The structure is 26 ft (8 m) long with a longest span of 12 ft (3.7 m) and a deck 44 ft wide.

Who owns US 43 over Whitfield Canal?

It is owned by the State Highway Agency.