US Bridges

Nfa A255 over Big Laurel Creek

PoorPosted for load

Overton County, Tennessee · .1 MI West of Fentress CO · Structure no. 670A2550001

Built
1903
122 years old
Condition
Poor
inspected December 2024
Type
Girder and Floorbeam System
Steel
Length
40 ft
1 main span
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A255 over Big Laurel Creek is a steel girder and floorbeam system carrying Nfa A255 over Big Laurel Creek in Overton County, Tennessee. It was built in 1903, so it is 122 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 4 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: posted for load restriction.

It carries about 30 vehicles a day, roughly 2% of them trucks, projected to reach 48 by 2041. The structure is 40 ft (12.2 m) long and 10 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A255
CrossesBig Laurel Creek
Location.1 MI West of Fentress CO
RouteCounty Highway 255
Coordinates36.26862, -85.11203
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15.8 US tons
Inventory rating11.8 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width10 ft (3 m)
Roadway width10 ft (3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2020)
Projected traffic48 by 2041
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$544,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A255 over Big Laurel Creek built?

It was built in 1903, making it 122 years old in 2025.

What condition is Nfa A255 over Big Laurel Creek 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 December 2024.

How much traffic does Nfa A255 over Big Laurel Creek carry?

About 30 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A255 over Big Laurel Creek?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 10 ft wide.

Who owns Nfa A255 over Big Laurel Creek?

It is owned by the County Highway Agency.