US Bridges

Nfa 2559 over Indian Creek

Good

Unicoi County, Tennessee · .1 M S JCT SR81&SR352 · Structure no. 86SR0810005

Built
1996
29 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
169 ft
3 main spans
Daily traffic
480
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2559 over Indian Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa 2559 over Indian Creek in Unicoi County, Tennessee. It was built in 1996, so it is 29 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.

It carries about 480 vehicles a day, roughly 3% of them trucks, projected to reach 752 by 2041. The structure is 169 ft (51.4 m) long and 32 ft wide. If it were closed, the detour would be 54.1 mi (87 km).

CarriesNfa 2559
CrossesIndian Creek
Location.1 M S JCT SR81&SR352
RouteCounty Highway 2559
Coordinates36.0367, -82.5501
Functional classRural Minor Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length169 ft (51.4 m)
Longest span70 ft (21.3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic480 (2021)
Projected traffic752 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed54.1 mi (87 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 2559 over Indian Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Nfa 2559 over Indian Creek 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 2024.

How much traffic does Nfa 2559 over Indian Creek carry?

About 480 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2559 over Indian Creek?

The structure is 169 ft (51.4 m) long with a longest span of 70 ft (21.3 m) and a deck 32 ft wide.

Who owns Nfa 2559 over Indian Creek?

It is owned by the County Highway Agency.