US Bridges

FAP 1 over I81

Fair

Sullivan County, Tennessee · At Virginia State Line · Structure no. 82I00810039

Built
1960
65 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete Continuous
Length
370 ft
4 main spans
Daily traffic
12,944
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 1 over I81 is a concrete continuous tee beam carrying FAP 1 over I81 in Sullivan County, Tennessee. It was built in 1960, so it is 65 years old, older 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 12,944 vehicles a day, roughly 6% of them trucks, projected to reach 20,710 by 2042. The structure is 370 ft (112.8 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFAP 1
CrossesI81
LocationAt Virginia State Line
RouteU.S. Route 11
CountySullivan County
StateTennessee
Coordinates36.58879, -82.25891
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length370 ft (112.8 m)
Longest span102 ft (31.1 m)
Deck width45 ft (13.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,944 (2021)
Projected traffic20,710 by 2042
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$458,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAP 1 over I81 built?

It was built in 1960, making it 65 years old in 2025.

What condition is FAP 1 over I81 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 FAP 1 over I81 carry?

About 12,944 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAP 1 over I81?

The structure is 370 ft (112.8 m) long with a longest span of 102 ft (31.1 m) and a deck 45 ft wide.

Who owns FAP 1 over I81?

It is owned by the State Highway Agency.