US Bridges

Nfa 2530 731389N over Southern Railway

Fair

Jefferson County, Tennessee · .8 M N of US11E&JEFF. CO · Structure no. 45025300001

Built
1968
57 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
180 ft
3 main spans
Daily traffic
2,873
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2530 731389N over Southern Railway is a prestressed concrete stringer/multi-beam or girder carrying Nfa 2530 731389N over Southern Railway in Jefferson County, Tennessee. It was built in 1968, so it is 57 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,873 vehicles a day, roughly 1% of them trucks, projected to reach 4,426 by 2041. The structure is 180 ft (54.9 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNfa 2530 731389N
CrossesSouthern Railway
Location.8 M N of US11E&JEFF. CO
RouteCounty Highway 2530
CountyJefferson County
StateTennessee
Coordinates36.13472, -83.46875
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span64 ft (19.4 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,873 (2021)
Projected traffic4,426 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 2530 731389N over Southern Railway built?

It was built in 1968, making it 57 years old in 2025.

What condition is Nfa 2530 731389N over Southern Railway in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does Nfa 2530 731389N over Southern Railway carry?

About 2,873 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Nfa 2530 731389N over Southern Railway?

The structure is 180 ft (54.9 m) long with a longest span of 64 ft (19.4 m) and a deck 46 ft wide.

Who owns Nfa 2530 731389N over Southern Railway?

It is owned by the County Highway Agency.