US Bridges

Nfa A455 over Fall Creek

Fair

DeKalb County, Tennessee · In City of Smithvillie · Structure no. 210A2740001

Built
1960
65 years old, rebuilt 1972
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
1,050
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A455 over Fall Creek is a concrete continuous culvert carrying Nfa A455 over Fall Creek in DeKalb County, Tennessee. It was built in 1960 and reconstructed in 1972, so it is 65 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 1,050 vehicles a day, roughly 2% of them trucks, projected to reach 1,680 by 2042. The structure is 32 ft (9.8 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa A455
CrossesFall Creek
LocationIn City of Smithvillie
RouteCity Street 455
Coordinates35.96048, -85.83949
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width37 ft (11.4 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2020)
Projected traffic1,680 by 2042
Trucks2%
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

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 A455 over Fall Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1972.

What condition is Nfa A455 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 A455 over Fall Creek carry?

About 1,050 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A455 over Fall Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 37 ft wide.

Who owns Nfa A455 over Fall Creek?

It is owned by the City or Municipal Highway Agency.