US Bridges

Nfa 2400 841834C over Southern Railway

PoorClosed to traffic

Scott County, Tennessee · W Off US27-N of Helenwood · Structure no. 76S26330001

Built
1937
88 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
99 ft
1 main span
Daily traffic
769
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2400 841834C over Southern Railway is a steel stringer/multi-beam or girder carrying Nfa 2400 841834C over Southern Railway in Scott County, Tennessee. It was built in 1937, so it is 88 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 769 vehicles a day, roughly 3% of them trucks, projected to reach 1,230 by 2042. The structure is 99 ft (30.2 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 2400 841834C
CrossesSouthern Railway
LocationW Off US27-N of Helenwood
RouteCounty Highway 2400
Coordinates36.4705, -84.54526
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourBridge not over waterway
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length99 ft (30.2 m)
Longest span95 ft (29 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic769 (2021)
Projected traffic1,230 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$463,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa 2400 841834C over Southern Railway built?

It was built in 1937, making it 88 years old in 2025.

What condition is Nfa 2400 841834C over Southern Railway in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Nfa 2400 841834C over Southern Railway carry?

About 769 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2400 841834C over Southern Railway?

The structure is 99 ft (30.2 m) long with a longest span of 95 ft (29 m) and a deck 22 ft wide.

Who owns Nfa 2400 841834C over Southern Railway?

It is owned by the County Highway Agency.