US Bridges

NFSR 23 over Wolf Creek

Good

Polk County, Tennessee · National Forest · Structure no. 080401000003035

Built
1984
41 years old, rebuilt 2010
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
81 ft
3 main spans
Daily traffic
50
1990 count
Owner
Federal
U.S. Forest Service

About this bridge

NFSR 23 over Wolf Creek is a steel stringer/multi-beam or girder carrying NFSR 23 over Wolf Creek in Polk County, Tennessee. It was built in 1984 and reconstructed in 2010, so it is 41 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 75 by 2045. The structure is 81 ft (24.7 m) long and 16 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesNFSR 23
CrossesWolf Creek
LocationNational Forest
RouteFederal Lands Road 23.11
Coordinates35.16231, -84.37494
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating95.3 US tons
Inventory rating73.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length81 ft (24.7 m)
Longest span29 ft (8.7 m)
Deck width16 ft (4.8 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1990)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$200 million
NavigationNo navigation control on waterway

Frequently asked questions

When was NFSR 23 over Wolf Creek built?

It was built in 1984, making it 41 years old in 2025. It was reconstructed in 2010.

What condition is NFSR 23 over Wolf Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does NFSR 23 over Wolf Creek carry?

About 50 vehicles per day (1990 count).

How long is NFSR 23 over Wolf Creek?

The structure is 81 ft (24.7 m) long with a longest span of 29 ft (8.7 m) and a deck 16 ft wide.

Who owns NFSR 23 over Wolf Creek?

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