US Bridges

Nfa A017 over Line Creek

Good

Clay County, Tennessee · 2.2 MI North of SR 52 · Structure no. 140A0170001

Built
2017
8 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
101 ft
1 main span
Daily traffic
280
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A017 over Line Creek is a concrete stringer/multi-beam or girder carrying Nfa A017 over Line Creek in Clay County, Tennessee. It was built in 2017, so it is 8 years old, younger 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.

It carries about 280 vehicles a day, roughly 3% of them trucks, projected to reach 448 by 2042. The structure is 101 ft (30.8 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A017
CrossesLine Creek
Location2.2 MI North of SR 52
RouteCounty Highway 17
Coordinates36.6079, -85.76967
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 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 evaluation7: Better than 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 rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length101 ft (30.8 m)
Longest span101 ft (30.8 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2020)
Projected traffic448 by 2042
Trucks3%
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 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 A017 over Line Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is Nfa A017 over Line Creek 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 April 2024.

How much traffic does Nfa A017 over Line Creek carry?

About 280 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Nfa A017 over Line Creek?

The structure is 101 ft (30.8 m) long with a longest span of 101 ft (30.8 m) and a deck 26 ft wide.

Who owns Nfa A017 over Line Creek?

It is owned by the County Highway Agency.