US Bridges

Nfa A412 over Town Creek

Fair

Rhea County, Tennessee · 7 MI E of Dayton · Structure no. 720A4120001

Built
1995
30 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
46 ft
2 main spans
Daily traffic
330
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A412 over Town Creek is a concrete continuous culvert carrying Nfa A412 over Town Creek in Rhea County, Tennessee. It was built in 1995, so it is 30 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 330 vehicles a day, roughly 4% of them trucks, projected to reach 528 by 2038. The structure is 46 ft (13.9 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNfa A412
CrossesTown Creek
Location7 MI E of Dayton
RouteCounty Highway 412
CountyRhea County
StateTennessee
Coordinates35.53166, -84.91418
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating64.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length46 ft (13.9 m)
Longest span15 ft (4.6 m)
Deck width32 ft (9.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2020)
Projected traffic528 by 2038
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A412 over Town Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Nfa A412 over Town 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 2024.

How much traffic does Nfa A412 over Town Creek carry?

About 330 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A412 over Town Creek?

The structure is 46 ft (13.9 m) long with a longest span of 15 ft (4.6 m) and a deck 32 ft wide.

Who owns Nfa A412 over Town Creek?

It is owned by the County Highway Agency.