US Bridges

Gatlinburg Bypass over West Prong Lpr

Fair

Sevier County, Tennessee · 0.1 Miles South from NPS · Structure no. 5460043P0000000

Built
1969
56 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
152 ft
3 main spans
Daily traffic
2,630
2019 count
Owner
Federal
National Park Service

About this bridge

Gatlinburg Bypass over West Prong Lpr is a prestressed concrete stringer/multi-beam or girder carrying Gatlinburg Bypass over West Prong Lpr in Sevier County, Tennessee. It was built in 1969, so it is 56 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,630 vehicles a day, roughly 1% of them trucks, projected to reach 2,893 by 2039. The structure is 152 ft (46.4 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesGatlinburg Bypass
CrossesWest Prong Lpr
Location0.1 Miles South from NPS
RouteFederal Lands Road 12
CountySevier County
StateTennessee
Coordinates35.72464, -83.51461
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadH 15
Structure length152 ft (46.4 m)
Longest span51 ft (15.5 m)
Deck width36 ft (11.1 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,630 (2019)
Projected traffic2,893 by 2039
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$75,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Gatlinburg Bypass over West Prong Lpr built?

It was built in 1969, making it 56 years old in 2025.

What condition is Gatlinburg Bypass over West Prong Lpr in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does Gatlinburg Bypass over West Prong Lpr carry?

About 2,630 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Gatlinburg Bypass over West Prong Lpr?

The structure is 152 ft (46.4 m) long with a longest span of 51 ft (15.5 m) and a deck 36 ft wide.

Who owns Gatlinburg Bypass over West Prong Lpr?

It is owned by the National Park Service.