US Bridges

Nfa A055 over Wilson Creek

Fair

Bedford County, Tennessee · 3 M. W. Unionville. · Structure no. 020A0550001

Built
1920
105 years old, rebuilt 2001
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A055 over Wilson Creek is a concrete continuous culvert carrying Nfa A055 over Wilson Creek in Bedford County, Tennessee. It was built in 1920 and reconstructed in 2001, so it is 105 years old, older than the Tennessee average of 47.4 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 40 vehicles a day, roughly 2% of them trucks, projected to reach 64 by 2041. The structure is 32 ft (9.9 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa A055
CrossesWilson Creek
Location3 M. W. Unionville.
RouteCounty Highway 55
Coordinates35.61552, -86.64146
Functional classRural Local

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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 15
Structure length32 ft (9.9 m)
Longest span13 ft (4 m)
Deck width27 ft (8.3 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2020)
Projected traffic64 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 A055 over Wilson Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 2001.

What condition is Nfa A055 over Wilson Creek 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 November 2024.

How much traffic does Nfa A055 over Wilson Creek carry?

About 40 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A055 over Wilson Creek?

The structure is 32 ft (9.9 m) long with a longest span of 13 ft (4 m) and a deck 27 ft wide.

Who owns Nfa A055 over Wilson Creek?

It is owned by the County Highway Agency.