US Bridges

NFSR 35-1 over Flats Creek

Poor

Monroe County, Tennessee · National Forest · Structure no. 080404000003074

Built
1922
103 years old, rebuilt 1984
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
2 main spans
Daily traffic
50
2005 count
Owner
Federal
U.S. Forest Service

About this bridge

NFSR 35-1 over Flats Creek is a steel stringer/multi-beam or girder carrying NFSR 35-1 over Flats Creek in Monroe County, Tennessee. It was built in 1922 and reconstructed in 1984, so it is 103 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 2 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.

It carries about 50 vehicles a day, projected to reach 75 by 2045. The structure is 33 ft (10.1 m) long and 14 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesNFSR 35-1
CrossesFlats Creek
LocationNational Forest
RouteFederal Lands Road 35-1
Coordinates35.42738, -84.10787
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.4 US tons
Inventory rating15.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length33 ft (10.1 m)
Longest span14 ft (4.4 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2005)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NFSR 35-1 over Flats Creek built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1984.

What condition is NFSR 35-1 over Flats 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 August 2023.

How much traffic does NFSR 35-1 over Flats Creek carry?

About 50 vehicles per day (2005 count).

How long is NFSR 35-1 over Flats Creek?

The structure is 33 ft (10.1 m) long with a longest span of 14 ft (4.4 m) and a deck 14 ft wide.

Who owns NFSR 35-1 over Flats Creek?

It is owned by the U.S. Forest Service.