US Bridges

Nfa A658 over CSX Railroad

Good

Humphreys County, Tennessee · At SR 1-NEW Johnsonville · Structure no. 43S63270001

Built
2019
6 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
138 ft
3 main spans
Daily traffic
1,990
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa A658 over CSX Railroad is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A658 over CSX Railroad in Humphreys County, Tennessee. It was built in 2019, so it is 6 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 1,990 vehicles a day, roughly 16% of them trucks, projected to reach 3,184 by 2041. The structure is 138 ft (42.1 m) long and 62 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A658
CrossesCSX Railroad
LocationAt SR 1-NEW Johnsonville
RouteCity Street 658
Coordinates36.02368, -87.96228
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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length138 ft (42.1 m)
Longest span86 ft (26.2 m)
Deck width62 ft (19 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,990 (2020)
Projected traffic3,184 by 2041
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 A658 over CSX Railroad built?

It was built in 2019, making it 6 years old in 2025.

What condition is Nfa A658 over CSX Railroad 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 July 2023.

How much traffic does Nfa A658 over CSX Railroad carry?

About 1,990 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is Nfa A658 over CSX Railroad?

The structure is 138 ft (42.1 m) long with a longest span of 86 ft (26.2 m) and a deck 62 ft wide.

Who owns Nfa A658 over CSX Railroad?

It is owned by the State Highway Agency.