US Bridges

Nfa A405 over Noah Fork Creek

Fair

Coffee County, Tennessee · .1 MI from SR 2 · Structure no. 160A4050001

Built
1969
56 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
39 ft
2 main spans
Daily traffic
70
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A405 over Noah Fork Creek is a concrete continuous culvert carrying Nfa A405 over Noah Fork Creek in Coffee County, Tennessee. It was built in 1969, so it is 56 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 70 vehicles a day, roughly 2% of them trucks, projected to reach 112 by 2040. The structure is 39 ft (11.8 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A405
CrossesNoah Fork Creek
Location.1 MI from SR 2
RouteCounty Highway 405
Coordinates35.57411, -86.19327
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 inspectionApril 2024
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 alignment6: Equal to present minimum criteria
Operating rating64.3 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length39 ft (11.8 m)
Longest span15 ft (4.6 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2020)
Projected traffic112 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$127,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A405 over Noah Fork Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is Nfa A405 over Noah Fork 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 April 2024.

How much traffic does Nfa A405 over Noah Fork Creek carry?

About 70 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A405 over Noah Fork Creek?

The structure is 39 ft (11.8 m) long with a longest span of 15 ft (4.6 m) and a deck 25 ft wide.

Who owns Nfa A405 over Noah Fork Creek?

It is owned by the County Highway Agency.