US Bridges

Nfa A239 over Tumbling Creek

Good

Humphreys County, Tennessee · 2 M. Sw. SR 230 · Structure no. 430A2390001

Built
2024
1 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
151 ft
3 main spans
Daily traffic
50
2025 count
Owner
County
County Highway Agency

About this bridge

Nfa A239 over Tumbling Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A239 over Tumbling Creek in Humphreys County, Tennessee. It was built in 2024, so it is 1 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 2% of them trucks, projected to reach 80 by 2045. The structure is 151 ft (46 m) long and 24 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesNfa A239
CrossesTumbling Creek
Location2 M. Sw. SR 230
RouteCounty Highway 239
Coordinates35.9456, -87.7033
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length151 ft (46 m)
Longest span61 ft (18.5 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2025)
Projected traffic80 by 2045
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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$719,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A239 over Tumbling Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is Nfa A239 over Tumbling Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does Nfa A239 over Tumbling Creek carry?

About 50 vehicles per day (2025 count), of which roughly 2% are trucks.

How long is Nfa A239 over Tumbling Creek?

The structure is 151 ft (46 m) long with a longest span of 61 ft (18.5 m) and a deck 24 ft wide.

Who owns Nfa A239 over Tumbling Creek?

It is owned by the County Highway Agency.