US Bridges

Nfa A163 over Ledford Branch

Good

Marshall County, Tennessee · 2.4 MI SE JCT SR50&SR271 · Structure no. 590A1630001

Built
1984
41 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete Continuous
Length
45 ft
2 main spans
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A163 over Ledford Branch is a concrete continuous culvert carrying Nfa A163 over Ledford Branch in Marshall County, Tennessee. It was built in 1984, so it is 41 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 40 vehicles a day, roughly 1% of them trucks, projected to reach 64 by 2040. The structure is 45 ft (13.8 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa A163
CrossesLedford Branch
Location2.4 MI SE JCT SR50&SR271
RouteCounty Highway 163
Coordinates35.4096, -86.67021
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length45 ft (13.8 m)
Longest span16 ft (4.9 m)
Deck width26 ft (7.9 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2020)
Projected traffic64 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A163 over Ledford Branch built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa A163 over Ledford Branch 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 2024.

How much traffic does Nfa A163 over Ledford Branch carry?

About 40 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A163 over Ledford Branch?

The structure is 45 ft (13.8 m) long with a longest span of 16 ft (4.9 m) and a deck 26 ft wide.

Who owns Nfa A163 over Ledford Branch?

It is owned by the County Highway Agency.