US Bridges

I26 Lt LN over Nfa A069-POLLY Erwin RD

Good

Unicoi County, Tennessee · 4 M NE JCT I26 & SR81 · Structure no. 86I00260040

Built
1993
32 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
158 ft
3 main spans
Daily traffic
8,283
2021 count
Owner
State
State Highway Agency

About this bridge

I26 Lt LN over Nfa A069-POLLY Erwin RD is a prestressed concrete continuous box beam or girders - single or spread carrying I26 Lt LN over Nfa A069-POLLY Erwin RD 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 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 8,283 vehicles a day, roughly 6% of them trucks, projected to reach 18,976 by 2040. The structure is 158 ft (48.2 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI26 Lt LN
CrossesNfa A069-POLLY Erwin RD
Location4 M NE JCT I26 & SR81
RouteInterstate 26
Coordinates36.11293, -82.4496
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.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
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 rating69.3 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length158 ft (48.2 m)
Longest span71 ft (21.6 m)
Deck width45 ft (13.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,283 (2021)
Projected traffic18,976 by 2040
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I26 Lt LN over Nfa A069-POLLY Erwin RD built?

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

What condition is I26 Lt LN over Nfa A069-POLLY Erwin RD 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 Lt LN over Nfa A069-POLLY Erwin RD carry?

About 8,283 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I26 Lt LN over Nfa A069-POLLY Erwin RD?

The structure is 158 ft (48.2 m) long with a longest span of 71 ft (21.6 m) and a deck 45 ft wide.

Who owns I26 Lt LN over Nfa A069-POLLY Erwin RD?

It is owned by the State Highway Agency.