US Bridges

I181 Lf LN over SR 93 Ramp D

Fair

Sullivan County, Tennessee · JCT SR 93 in Kingsport · Structure no. 82I00260021

Built
1981
44 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
202 ft
3 main spans
Daily traffic
41,117
2021 count
Owner
State
State Highway Agency

About this bridge

I181 Lf LN over SR 93 Ramp D is a concrete continuous box beam or girders - multiple carrying I181 Lf LN over SR 93 Ramp D 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 41,117 vehicles a day, roughly 6% of them trucks, projected to reach 65,787 by 2042. The structure is 202 ft (61.6 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI181 Lf LN
CrossesSR 93 Ramp D
LocationJCT SR 93 in Kingsport
RouteInterstate 26
CountySullivan County
StateTennessee
Coordinates36.49833, -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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating30.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length202 ft (61.6 m)
Longest span105 ft (32 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,117 (2021)
Projected traffic65,787 by 2042
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 I181 Lf LN over SR 93 Ramp D built?

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

What condition is I181 Lf LN over SR 93 Ramp D 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 Ramp D carry?

About 41,117 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I181 Lf LN over SR 93 Ramp D?

The structure is 202 ft (61.6 m) long with a longest span of 105 ft (32 m) and a deck 44 ft wide.

Who owns I181 Lf LN over SR 93 Ramp D?

It is owned by the State Highway Agency.