US Bridges

Nfa A239 over Tumbling Creek

Fair

Humphreys County, Tennessee · 3 M. Sw. SR 230 · Structure no. 430A2390005

Built
1980
45 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
120 ft
3 main spans
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A239 over Tumbling Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa A239 over Tumbling Creek in Humphreys County, Tennessee. It was built in 1980, so it is 45 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 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 30 vehicles a day, roughly 2% of them trucks, projected to reach 48 by 2042. The structure is 120 ft (36.6 m) long and 28 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesNfa A239
CrossesTumbling Creek
Location3 M. Sw. SR 230
RouteCounty Highway 239
CountyHumphreys County
StateTennessee
Coordinates35.9421, -87.71619
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length120 ft (36.6 m)
Longest span37 ft (11.3 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2020)
Projected traffic48 by 2042
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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$721,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A239 over Tumbling Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Nfa A239 over Tumbling 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 October 2023.

How much traffic does Nfa A239 over Tumbling Creek carry?

About 30 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A239 over Tumbling Creek?

The structure is 120 ft (36.6 m) long with a longest span of 37 ft (11.3 m) and a deck 28 ft wide.

Who owns Nfa A239 over Tumbling Creek?

It is owned by the County Highway Agency.