US Bridges

I26 Lt LN over I-26 WB / S. Roane St.

Good

Carter County, Tennessee · 2 M N Unicoi CO LN · Structure no. 10I00260004

Built
1986
39 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
262 ft
3 main spans
Daily traffic
23,569
2021 count
Owner
State
State Highway Agency

About this bridge

I26 Lt LN over I-26 WB / S. Roane St. is a prestressed concrete continuous box beam or girders - single or spread carrying I26 Lt LN over I-26 WB / S. Roane St. in Carter County, Tennessee. It was built in 1986, so it is 39 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 23,569 vehicles a day, roughly 6% of them trucks, projected to reach 29,142 by 2041. The structure is 262 ft (80 m) long and 44 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesI26 Lt LN
CrossesI-26 WB / S. Roane St.
Location2 M N Unicoi CO LN
RouteInterstate 26
Coordinates36.28694, -82.32417
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.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length262 ft (80 m)
Longest span117 ft (35.8 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,569 (2021)
Projected traffic29,142 by 2041
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I26 Lt LN over I-26 WB / S. Roane St. built?

It was built in 1986, making it 39 years old in 2025.

What condition is I26 Lt LN over I-26 WB / S. Roane St. 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 April 2023.

How much traffic does I26 Lt LN over I-26 WB / S. Roane St. carry?

About 23,569 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I26 Lt LN over I-26 WB / S. Roane St.?

The structure is 262 ft (80 m) long with a longest span of 117 ft (35.8 m) and a deck 44 ft wide.

Who owns I26 Lt LN over I-26 WB / S. Roane St.?

It is owned by the State Highway Agency.