US Bridges

Nfa B785 over W Prong Little Pigeon R

GoodClosed to traffic

Sevier County, Tennessee · In Gatlinburg · Structure no. 780A9580001

Built
2013
12 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
151 ft
3 main spans
Daily traffic
50
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa B785 over W Prong Little Pigeon R is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa B785 over W Prong Little Pigeon R in Sevier County, Tennessee. It was built in 2013, so it is 12 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. Its operating status is: closed to all traffic.

It carries about 50 vehicles a day, roughly 2% of them trucks, projected to reach 80 by 2041. The structure is 151 ft (46 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa B785
CrossesW Prong Little Pigeon R
LocationIn Gatlinburg
RouteCity Street 785
Coordinates35.72617, -83.51202
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum 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 spans3
Design loadHL 93
Structure length151 ft (46 m)
Longest span68 ft (20.7 m)
Deck width31 ft (9.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic80 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa B785 over W Prong Little Pigeon R built?

It was built in 2013, making it 12 years old in 2025.

What condition is Nfa B785 over W Prong Little Pigeon 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 B785 over W Prong Little Pigeon R carry?

About 50 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B785 over W Prong Little Pigeon R?

The structure is 151 ft (46 m) long with a longest span of 68 ft (20.7 m) and a deck 31 ft wide.

Who owns Nfa B785 over W Prong Little Pigeon R?

It is owned by the City or Municipal Highway Agency.