US Bridges

Nfa A149 347816U over CSX Railroad

PoorClosed to traffic

Monroe County, Tennessee · SW of Madisonville · Structure no. 620A5200001

Built
1999
26 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
94 ft
1 main span
Daily traffic
80
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A149 347816U over CSX Railroad is a steel stringer/multi-beam or girder carrying Nfa A149 347816U over CSX Railroad in Monroe County, Tennessee. It was built in 1999, so it is 26 years old, younger 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 80 vehicles a day, roughly 2% of them trucks, projected to reach 128 by 2041. The structure is 94 ft (28.7 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa A149 347816U
CrossesCSX Railroad
LocationSW of Madisonville
RouteCounty Highway 149
CountyMonroe County
StateTennessee
Coordinates35.48765, -84.41241
Functional classRural Local

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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 geometry8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1 (+4 approach)
Design loadUnknown
Structure length94 ft (28.7 m)
Longest span36 ft (11 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2020)
Projected traffic128 by 2041
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$560,000 (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa A149 347816U over CSX Railroad built?

It was built in 1999, making it 26 years old in 2025.

What condition is Nfa A149 347816U over CSX Railroad 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 July 2024.

How much traffic does Nfa A149 347816U over CSX Railroad carry?

About 80 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A149 347816U over CSX Railroad?

The structure is 94 ft (28.7 m) long with a longest span of 36 ft (11 m) and a deck 18 ft wide.

Who owns Nfa A149 347816U over CSX Railroad?

It is owned by the County Highway Agency.