US Bridges

Nfa A391 347483V over CSX Railroad

Good

Anderson County, Tennessee · In Oliver Sprgs-S of SR61 · Structure no. 010A3910003

Built
1998
27 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
121 ft
3 main spans
Daily traffic
390
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A391 347483V over CSX Railroad is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa A391 347483V over CSX Railroad in Anderson County, Tennessee. It was built in 1998, so it is 27 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 390 vehicles a day, roughly 2% of them trucks, projected to reach 624 by 2041. The structure is 121 ft (37 m) long and 30 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesNfa A391 347483V
CrossesCSX Railroad
LocationIn Oliver Sprgs-S of SR61
RouteCity Street 391
Coordinates36.0297, -84.33411
Functional classUrban 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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length121 ft (37 m)
Longest span55 ft (16.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic390 (2020)
Projected traffic624 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 A391 347483V over CSX Railroad built?

It was built in 1998, making it 27 years old in 2025.

What condition is Nfa A391 347483V 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 A391 347483V over CSX Railroad carry?

About 390 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A391 347483V over CSX Railroad?

The structure is 121 ft (37 m) long with a longest span of 55 ft (16.9 m) and a deck 30 ft wide.

Who owns Nfa A391 347483V over CSX Railroad?

It is owned by the City or Municipal Highway Agency.