US Bridges

Nfa A456 over Lipscomb Ditch

Good

Weakley County, Tennessee · 2 MI W of SR43 · Structure no. 920A4560001

Built
1997
28 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
10
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A456 over Lipscomb Ditch is a concrete continuous culvert carrying Nfa A456 over Lipscomb Ditch in Weakley County, Tennessee. It was built in 1997, so it is 28 years old, younger than the Tennessee average of 47.4 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 10 vehicles a day, roughly 2% of them trucks, projected to reach 16 by 2040. The structure is 26 ft (7.9 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa A456
CrossesLipscomb Ditch
Location2 MI W of SR43
RouteCounty Highway 456
Coordinates36.19003, -88.83514
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span11 ft (3.4 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2020)
Projected traffic16 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A456 over Lipscomb Ditch built?

It was built in 1997, making it 28 years old in 2025.

What condition is Nfa A456 over Lipscomb Ditch 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 September 2024.

How much traffic does Nfa A456 over Lipscomb Ditch carry?

About 10 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A456 over Lipscomb Ditch?

The structure is 26 ft (7.9 m) long with a longest span of 11 ft (3.4 m) and a deck 28 ft wide.

Who owns Nfa A456 over Lipscomb Ditch?

It is owned by the County Highway Agency.