US Bridges

S Walnut Ave over Whitfield Canal

Fair

Marengo County, Alabama · 0.24 MI North of US 80 · Structure no. 021876

Built
1940
85 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
59 ft
4 main spans
Daily traffic
3,381
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

S Walnut Ave over Whitfield Canal is a concrete culvert carrying S Walnut Ave over Whitfield Canal in Marengo County, Alabama. It was built in 1940, so it is 85 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 3,381 vehicles a day, roughly 2% of them trucks, projected to reach 3,600 by 2043. The structure is 59 ft (18.1 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesS Walnut Ave
CrossesWhitfield Canal
Location0.24 MI North of US 80
RouteCity Street 0
CountyMarengo County
StateAlabama
Coordinates32.50649, -87.83762
Functional classUrban Collector

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.7 US tons
Inventory rating35.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHL 93
Structure length59 ft (18.1 m)
Longest span15 ft (4.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,381 (2023)
Projected traffic3,600 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$802,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S Walnut Ave over Whitfield Canal built?

It was built in 1940, making it 85 years old in 2025.

What condition is S Walnut Ave 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 July 2024.

How much traffic does S Walnut Ave over Whitfield Canal carry?

About 3,381 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is S Walnut Ave over Whitfield Canal?

The structure is 59 ft (18.1 m) long with a longest span of 15 ft (4.5 m).

Who owns S Walnut Ave over Whitfield Canal?

It is owned by the City or Municipal Highway Agency.