US Bridges

I26 over Nfa A055 & Higgins CR

Fair

Unicoi County, Tennessee · 10.12 MI from Nc/Tn ST LN · Structure no. 86I00260055

Built
1994
31 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
236 ft
3 main spans
Daily traffic
7,310
2021 count
Owner
State
State Highway Agency

About this bridge

I26 over Nfa A055 & Higgins CR is a prestressed concrete continuous stringer/multi-beam or girder carrying I26 over Nfa A055 & Higgins CR in Unicoi County, Tennessee. It was built in 1994, so it is 31 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 7,310 vehicles a day, roughly 6% of them trucks, projected to reach 16,864 by 2040. The structure is 236 ft (71.9 m) long and 90 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesI26
CrossesNfa A055 & Higgins CR
Location10.12 MI from Nc/Tn ST LN
RouteInterstate 26
Coordinates36.07829, -82.49754
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating31.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length236 ft (71.9 m)
Longest span78 ft (23.8 m)
Deck width90 ft (27.4 m)
Roadway width85 ft (25.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,310 (2021)
Projected traffic16,864 by 2040
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 I26 over Nfa A055 & Higgins CR built?

It was built in 1994, making it 31 years old in 2025.

What condition is I26 over Nfa A055 & Higgins CR 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 November 2024.

How much traffic does I26 over Nfa A055 & Higgins CR carry?

About 7,310 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I26 over Nfa A055 & Higgins CR?

The structure is 236 ft (71.9 m) long with a longest span of 78 ft (23.8 m) and a deck 90 ft wide.

Who owns I26 over Nfa A055 & Higgins CR?

It is owned by the State Highway Agency.