US Bridges

US 80 over Whitfield Canal

Fair

Marengo County, Alabama · Demopolis · Structure no. 008110

Built
1934
91 years old, rebuilt 1964
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
20,210
2013 count
Owner
State
State Highway Agency

About this bridge

US 80 over Whitfield Canal is a concrete culvert carrying US 80 over Whitfield Canal in Marengo County, Alabama. It was built in 1934 and reconstructed in 1964, so it is 91 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 20,210 vehicles a day, roughly 22% of them trucks, projected to reach 26,427 by 2033. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 80
CrossesWhitfield Canal
LocationDemopolis
RouteU.S. Route 8
StateAlabama
Coordinates32.50363, -87.8336
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.8 US tons
Inventory rating36.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,210 (2013)
Projected traffic26,427 by 2033
Trucks22%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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$1.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 80 over Whitfield Canal built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1964.

What condition is US 80 over Whitfield 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 June 2024.

How much traffic does US 80 over Whitfield Canal carry?

About 20,210 vehicles per day (2013 count), of which roughly 22% are trucks.

How long is US 80 over Whitfield Canal?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m).

Who owns US 80 over Whitfield Canal?

It is owned by the State Highway Agency.