US Bridges

Nfa A364 over Sandy Creek

FairPosted for load

Madison County, Tennessee · 1.3 MI N JCT SR18&HARDEM · Structure no. 570A3640003

Built
1945
80 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
41 ft
2 main spans
Daily traffic
10
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A364 over Sandy Creek is a wood or timber stringer/multi-beam or girder carrying Nfa A364 over Sandy Creek in Madison County, Tennessee. It was built in 1945, 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 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 10 vehicles a day, roughly 20% of them trucks, projected to reach 16 by 2042. The structure is 41 ft (12.4 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A364
CrossesSandy Creek
Location1.3 MI N JCT SR18&HARDEM
RouteCounty Highway 364
Coordinates35.44608, -88.87366
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.6 US tons
Inventory rating23.9 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 15
Structure length41 ft (12.4 m)
Longest span21 ft (6.3 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2020)
Projected traffic16 by 2042
Trucks20%
Lanes on structure2
Traffic directionTwo-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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$512,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A364 over Sandy Creek built?

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

What condition is Nfa A364 over Sandy 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 May 2023.

How much traffic does Nfa A364 over Sandy Creek carry?

About 10 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is Nfa A364 over Sandy Creek?

The structure is 41 ft (12.4 m) long with a longest span of 21 ft (6.3 m) and a deck 16 ft wide.

Who owns Nfa A364 over Sandy Creek?

It is owned by the County Highway Agency.