US Bridges

I26 Rt LN over N. Indian Creek

Good

Unicoi County, Tennessee · North of Erwin · Structure no. 86I00260027

Built
1981
44 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
229 ft
3 main spans
Daily traffic
13,947
2021 count
Owner
State
State Highway Agency

About this bridge

I26 Rt LN over N. Indian Creek is a prestressed concrete stringer/multi-beam or girder carrying I26 Rt LN over N. Indian Creek in Unicoi County, Tennessee. It was built in 1981, so it is 44 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 13,947 vehicles a day, roughly 6% of them trucks, projected to reach 31,024 by 2040. The structure is 229 ft (69.8 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI26 Rt LN
CrossesN. Indian Creek
LocationNorth of Erwin
RouteInterstate 26
Coordinates36.15833, -82.41
Functional classUrban Principal Arterial - Interstate

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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length229 ft (69.8 m)
Longest span73 ft (22.4 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,947 (2021)
Projected traffic31,024 by 2040
Trucks6%
Lanes on structure2
Traffic directionOne-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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I26 Rt LN over N. Indian Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is I26 Rt LN over N. 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 November 2024.

How much traffic does I26 Rt LN over N. Indian Creek carry?

About 13,947 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I26 Rt LN over N. Indian Creek?

The structure is 229 ft (69.8 m) long with a longest span of 73 ft (22.4 m) and a deck 44 ft wide.

Who owns I26 Rt LN over N. Indian Creek?

It is owned by the State Highway Agency.