US Bridges

Nfa A756 730231X over Southern Railway

Good

Hawkins County, Tennessee · 3.3 M S of SR66-SR113 JCT · Structure no. 370A7560001

Built
2003
22 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
201 ft
3 main spans
Daily traffic
160
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A756 730231X over Southern Railway is a prestressed concrete stringer/multi-beam or girder carrying Nfa A756 730231X over Southern Railway in Hawkins County, Tennessee. It was built in 2003, so it is 22 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 160 vehicles a day, roughly 2% of them trucks, projected to reach 256 by 2042. The structure is 201 ft (61.3 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa A756 730231X
CrossesSouthern Railway
Location3.3 M S of SR66-SR113 JCT
RouteCounty Highway 756
Coordinates36.30052, -83.03335
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.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating89.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length201 ft (61.3 m)
Longest span78 ft (23.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2020)
Projected traffic256 by 2042
Trucks2%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa A756 730231X over Southern Railway built?

It was built in 2003, making it 22 years old in 2025.

What condition is Nfa A756 730231X over Southern Railway 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 June 2023.

How much traffic does Nfa A756 730231X over Southern Railway carry?

About 160 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A756 730231X over Southern Railway?

The structure is 201 ft (61.3 m) long with a longest span of 78 ft (23.8 m) and a deck 26 ft wide.

Who owns Nfa A756 730231X over Southern Railway?

It is owned by the County Highway Agency.