US Bridges

Nfa A904 over W Prong Little Piegon R

Good

Sevier County, Tennessee · In Gatlinburg · Structure no. 780A9040001

Built
2009
16 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
90 ft
2 main spans
Daily traffic
1,080
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A904 over W Prong Little Piegon R is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A904 over W Prong Little Piegon R in Sevier County, Tennessee. It was built in 2009, so it is 16 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,080 vehicles a day, roughly 2% of them trucks, projected to reach 1,728 by 2041. The structure is 90 ft (27.4 m) long and 41 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A904
CrossesW Prong Little Piegon R
LocationIn Gatlinburg
RouteCity Street 904
Coordinates35.70915, -83.52265
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
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
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 rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length90 ft (27.4 m)
Longest span45 ft (13.7 m)
Deck width41 ft (12.6 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,080 (2020)
Projected traffic1,728 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$200,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A904 over W Prong Little Piegon R built?

It was built in 2009, making it 16 years old in 2025.

What condition is Nfa A904 over W Prong Little Piegon R 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 July 2023.

How much traffic does Nfa A904 over W Prong Little Piegon R carry?

About 1,080 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A904 over W Prong Little Piegon R?

The structure is 90 ft (27.4 m) long with a longest span of 45 ft (13.7 m) and a deck 41 ft wide.

Who owns Nfa A904 over W Prong Little Piegon R?

It is owned by the City or Municipal Highway Agency.