US Bridges

Grassy Branch RD over Little Pigeon River

Good

Sevier County, Tennessee · 1 M N of US321-PITTMAN Ct · Structure no. 780A3590001

Built
2024
1 years old
Condition
Good
inspected January 2025
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
149 ft
3 main spans
Daily traffic
80
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Grassy Branch RD over Little Pigeon River is a prestressed concrete continuous box beam or girders - single or spread carrying Grassy Branch RD over Little Pigeon River in Sevier County, Tennessee. It was built in 2024, so it is 1 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 80 vehicles a day, roughly 2% of them trucks, projected to reach 128 by 2042. The structure is 149 ft (45.4 m) long and 24 ft wide. If it were closed, the detour would be 123 mi (198 km).

CarriesGrassy Branch RD
CrossesLittle Pigeon River
Location1 M N of US321-PITTMAN Ct
RouteCity Street 359
Coordinates35.75388, -83.41375
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 protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length149 ft (45.4 m)
Longest span76 ft (23.2 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2020)
Projected traffic128 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123 mi (198 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Grassy Branch RD over Little Pigeon River built?

It was built in 2024, making it 1 years old in 2025.

What condition is Grassy Branch RD over Little Pigeon River 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 January 2025.

How much traffic does Grassy Branch RD over Little Pigeon River carry?

About 80 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Grassy Branch RD over Little Pigeon River?

The structure is 149 ft (45.4 m) long with a longest span of 76 ft (23.2 m) and a deck 24 ft wide.

Who owns Grassy Branch RD over Little Pigeon River?

It is owned by the City or Municipal Highway Agency.