US Bridges

Nfa A877 over W Prong Little Pigeon R

Fair

Sevier County, Tennessee · In Gatlinburg · Structure no. 780A8770001

Built
1998
27 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
98 ft
3 main spans
Daily traffic
890
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A877 over W Prong Little Pigeon R is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A877 over W Prong Little Pigeon R in Sevier County, Tennessee. It was built in 1998, so it is 27 years old, younger 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 890 vehicles a day, roughly 2% of them trucks, projected to reach 1,424 by 2041. The structure is 98 ft (30 m) long and 41 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A877
CrossesW Prong Little Pigeon R
LocationIn Gatlinburg
RouteCity Street 877
Coordinates35.72037, -83.51031
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length98 ft (30 m)
Longest span33 ft (10.1 m)
Deck width41 ft (12.5 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic890 (2020)
Projected traffic1,424 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$836,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A877 over W Prong Little Pigeon R built?

It was built in 1998, making it 27 years old in 2025.

What condition is Nfa A877 over W Prong Little Pigeon R 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 July 2023.

How much traffic does Nfa A877 over W Prong Little Pigeon R carry?

About 890 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A877 over W Prong Little Pigeon R?

The structure is 98 ft (30 m) long with a longest span of 33 ft (10.1 m) and a deck 41 ft wide.

Who owns Nfa A877 over W Prong Little Pigeon R?

It is owned by the City or Municipal Highway Agency.