US Bridges

Nfa A409 over Norton Branch

GoodPosted for load

Coffee County, Tennessee · 3.1 MI from SR 2 · Structure no. 160A4090003

Built
1959
66 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
100
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A409 over Norton Branch is a concrete culvert carrying Nfa A409 over Norton Branch in Coffee County, Tennessee. It was built in 1959, so it is 66 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 2% of them trucks, projected to reach 160 by 2042. The structure is 20 ft (6.1 m) long and 21 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesNfa A409
CrossesNorton Branch
Location3.1 MI from SR 2
RouteCounty Highway 409
CountyCoffee County
StateTennessee
Coordinates35.64318, -86.22393
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length20 ft (6.1 m)
Longest span14 ft (4.3 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic160 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A409 over Norton Branch built?

It was built in 1959, making it 66 years old in 2025.

What condition is Nfa A409 over Norton Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does Nfa A409 over Norton Branch carry?

About 100 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A409 over Norton Branch?

The structure is 20 ft (6.1 m) long with a longest span of 14 ft (4.3 m) and a deck 21 ft wide.

Who owns Nfa A409 over Norton Branch?

It is owned by the County Highway Agency.