US Bridges

NFSR 217 over Hemlock Cr.

Good

Monroe County, Tennessee · National Forest · Structure no. 080404000003067

Built
1987
38 years old
Condition
Good
inspected February 2024
Type
Slab
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
67
2005 count
Owner
Federal
U.S. Forest Service

About this bridge

NFSR 217 over Hemlock Cr. is a prestressed concrete slab carrying NFSR 217 over Hemlock Cr. in Monroe County, Tennessee. It was built in 1987, so it is 38 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 67 vehicles a day, projected to reach 100 by 2045. The structure is 50 ft (15.2 m) long and 17 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesNFSR 217
CrossesHemlock Cr.
LocationNational Forest
RouteFederal Lands Road 217.1
Coordinates35.33169, -84.13334
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 protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40.7 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length50 ft (15.2 m)
Longest span49 ft (14.9 m)
Deck width17 ft (5.2 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic67 (2005)
Projected traffic100 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 217 over Hemlock Cr. built?

It was built in 1987, making it 38 years old in 2025.

What condition is NFSR 217 over Hemlock Cr. 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 February 2024.

How much traffic does NFSR 217 over Hemlock Cr. carry?

About 67 vehicles per day (2005 count).

How long is NFSR 217 over Hemlock Cr.?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 17 ft wide.

Who owns NFSR 217 over Hemlock Cr.?

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