US Bridges

Nfa A472 over Fall Creek

Fair

DeKalb County, Tennessee · In City of Smithville · Structure no. 210A2710001

Built
1975
50 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
5,960
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A472 over Fall Creek is a concrete continuous culvert carrying Nfa A472 over Fall Creek in DeKalb County, Tennessee. It was built in 1975, so it is 50 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 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 5,960 vehicles a day, roughly 1% of them trucks, projected to reach 9,536 by 2042. The structure is 26 ft (7.9 m) long and 41 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNfa A472
CrossesFall Creek
LocationIn City of Smithville
RouteCity Street 472
CountyDeKalb County
StateTennessee
Coordinates35.95805, -85.82777
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,960 (2020)
Projected traffic9,536 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A472 over Fall Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Nfa A472 over Fall 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 December 2023.

How much traffic does Nfa A472 over Fall Creek carry?

About 5,960 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A472 over Fall Creek?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 41 ft wide.

Who owns Nfa A472 over Fall Creek?

It is owned by the City or Municipal Highway Agency.