US Bridges

Nfa 2397 347594M over CSX Railroad

Good

Blount County, Tennessee · 2.5 M. N. Alcoa. · Structure no. 05023970001

Built
1993
32 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
161 ft
3 main spans
Daily traffic
2,454
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa 2397 347594M over CSX Railroad is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa 2397 347594M over CSX Railroad in Blount County, Tennessee. It was built in 1993, so it is 32 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 2,454 vehicles a day, roughly 3% of them trucks, projected to reach 4,045 by 2042. The structure is 161 ft (49.1 m) long and 42 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNfa 2397 347594M
CrossesCSX Railroad
Location2.5 M. N. Alcoa.
RouteCity Street 2397
Coordinates35.83843, -83.9845
Functional classUrban Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating36.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length161 ft (49.1 m)
Longest span59 ft (18 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,454 (2021)
Projected traffic4,045 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa 2397 347594M over CSX Railroad built?

It was built in 1993, making it 32 years old in 2025.

What condition is Nfa 2397 347594M 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 November 2023.

How much traffic does Nfa 2397 347594M over CSX Railroad carry?

About 2,454 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2397 347594M over CSX Railroad?

The structure is 161 ft (49.1 m) long with a longest span of 59 ft (18 m) and a deck 42 ft wide.

Who owns Nfa 2397 347594M over CSX Railroad?

It is owned by the City or Municipal Highway Agency.