US Bridges

I181 Lf LN over SR 93

Fair

Sullivan County, Tennessee · In Kingsport · Structure no. 82I00260025

Built
1981
44 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Steel
Length
232 ft
1 main span
Daily traffic
24,661
2021 count
Owner
State
State Highway Agency

About this bridge

I181 Lf LN over SR 93 is a steel box beam or girders - single or spread carrying I181 Lf LN over SR 93 in Sullivan 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 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 24,661 vehicles a day, roughly 6% of them trucks, projected to reach 39,458 by 2042. The structure is 232 ft (70.7 m) long and 52 ft wide.

Location

Open in Google Maps
CarriesI181 Lf LN
CrossesSR 93
LocationIn Kingsport
RouteInterstate 26
CountySullivan County
StateTennessee
Coordinates36.5, -82.56333
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating27.9 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length232 ft (70.7 m)
Longest span185 ft (56.4 m)
Deck width52 ft (15.8 m)
Roadway width49 ft (14.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,661 (2021)
Projected traffic39,458 by 2042
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 I181 Lf LN over SR 93 built?

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

What condition is I181 Lf LN over SR 93 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 August 2024.

How much traffic does I181 Lf LN over SR 93 carry?

About 24,661 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I181 Lf LN over SR 93?

The structure is 232 ft (70.7 m) long with a longest span of 185 ft (56.4 m) and a deck 52 ft wide.

Who owns I181 Lf LN over SR 93?

It is owned by the State Highway Agency.