US Bridges

Nfa A718 over Nancy Branch

PoorPosted for load

Wilson County, Tennessee · 0.8 MI West of SR141 · Structure no. 950A7180003

Built
1945
80 years old, rebuilt 1965
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
410
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A718 over Nancy Branch is a steel stringer/multi-beam or girder carrying Nfa A718 over Nancy Branch in Wilson County, Tennessee. It was built in 1945 and reconstructed in 1965, so it is 80 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 410 vehicles a day, roughly 2% of them trucks, projected to reach 656 by 2042. The structure is 25 ft (7.6 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNfa A718
CrossesNancy Branch
Location0.8 MI West of SR141
RouteCounty Highway 0A718
Coordinates36.2919, -86.22332
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating8.6 US tons
Inventory rating6.4 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width27 ft (8.3 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic410 (2020)
Projected traffic656 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$76,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A718 over Nancy Branch built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 1965.

What condition is Nfa A718 over Nancy Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Nfa A718 over Nancy Branch carry?

About 410 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A718 over Nancy Branch?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 27 ft wide.

Who owns Nfa A718 over Nancy Branch?

It is owned by the County Highway Agency.