US Bridges

I26 over Indian Creek

Fair

Unicoi County, Tennessee · 1 M NE JCT Old SR36&I26 · Structure no. 86I00260053

Built
1993
32 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
605 ft
7 main spans
Daily traffic
7,310
2021 count
Owner
State
State Highway Agency

About this bridge

I26 over Indian Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying I26 over Indian Creek in Unicoi County, Tennessee. It was built in 1993, so it is 32 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 5 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 11,696 by 2042. The structure is 605 ft (184.4 m) long and 107 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI26
CrossesIndian Creek
Location1 M NE JCT Old SR36&I26
RouteInterstate 26
Coordinates36.0852, -82.49347
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating25.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length605 ft (184.4 m)
Longest span93 ft (28.3 m)
Deck width107 ft (32.6 m)
Roadway width96 ft (29.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,310 (2021)
Projected traffic11,696 by 2042
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Indian Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is I26 over Indian Creek 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 Indian Creek carry?

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

How long is I26 over Indian Creek?

The structure is 605 ft (184.4 m) long with a longest span of 93 ft (28.3 m) and a deck 107 ft wide.

Who owns I26 over Indian Creek?

It is owned by the State Highway Agency.