US Bridges

Nfa A131 over Hill Creek

FairPosted for load

Cannon County, Tennessee · 1MI South of US70S · Structure no. 080A1310001

Built
1940
85 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
60
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A131 over Hill Creek is a steel stringer/multi-beam or girder carrying Nfa A131 over Hill Creek in Cannon County, Tennessee. It was built in 1940, so it is 85 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 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 60 vehicles a day, roughly 2% of them trucks, projected to reach 96 by 2041. The structure is 30 ft (9 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A131
CrossesHill Creek
Location1MI South of US70S
RouteCounty Highway 131
Coordinates35.80116, -86.02983
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating25.8 US tons
Inventory rating17.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9 m)
Longest span30 ft (9 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2020)
Projected traffic96 by 2041
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$433,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A131 over Hill Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Nfa A131 over Hill 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 April 2023.

How much traffic does Nfa A131 over Hill Creek carry?

About 60 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A131 over Hill Creek?

The structure is 30 ft (9 m) long with a longest span of 30 ft (9 m) and a deck 16 ft wide.

Who owns Nfa A131 over Hill Creek?

It is owned by the County Highway Agency.