US Bridges

Nfa A120 over Armour Creek

FairPosted for load

Fayette County, Tennessee · Armour Dr. · Structure no. 240A1200003

Built
1996
29 years old
Condition
Fair
inspected August 2024
Type
Channel Beam
Concrete
Length
67 ft
3 main spans
Daily traffic
290
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A120 over Armour Creek is a concrete channel beam carrying Nfa A120 over Armour Creek in Fayette County, Tennessee. It was built in 1996, so it is 29 years old, younger 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 290 vehicles a day, roughly 4% of them trucks, projected to reach 464 by 2042. The structure is 67 ft (20.4 m) long and 25 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesNfa A120
CrossesArmour Creek
LocationArmour Dr.
RouteCounty Highway 120
Coordinates35.24697, -89.24817
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating34 US tons
Inventory rating26.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length67 ft (20.4 m)
Longest span29 ft (8.8 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (2020)
Projected traffic464 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$458,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A120 over Armour Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Nfa A120 over Armour 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 August 2024.

How much traffic does Nfa A120 over Armour Creek carry?

About 290 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A120 over Armour Creek?

The structure is 67 ft (20.4 m) long with a longest span of 29 ft (8.8 m) and a deck 25 ft wide.

Who owns Nfa A120 over Armour Creek?

It is owned by the County Highway Agency.