US Bridges

FAS 357 over I81

GoodPosted for load

Sullivan County, Tennessee · 4 MI NE JCT SR36&I81 · Structure no. 82I00810022

Built
1976
49 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
262 ft
2 main spans
Daily traffic
8,416
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 357 over I81 is a concrete continuous box beam or girders - multiple carrying FAS 357 over I81 in Sullivan County, Tennessee. It was built in 1976, so it is 49 years old, older 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. Its operating status is: posted for load restriction.

It carries about 8,416 vehicles a day, roughly 6% of them trucks, projected to reach 13,466 by 2042. The structure is 262 ft (79.8 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAS 357
CrossesI81
Location4 MI NE JCT SR36&I81
RouteState Highway 357
Coordinates36.50667, -82.43166
Functional classUrban Minor Arterial

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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.5 US tons
Inventory rating20.4 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length262 ft (79.8 m)
Longest span134 ft (40.8 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,416 (2021)
Projected traffic13,466 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

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 FAS 357 over I81 built?

It was built in 1976, making it 49 years old in 2025.

What condition is FAS 357 over I81 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 August 2024.

How much traffic does FAS 357 over I81 carry?

About 8,416 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAS 357 over I81?

The structure is 262 ft (79.8 m) long with a longest span of 134 ft (40.8 m) and a deck 44 ft wide.

Who owns FAS 357 over I81?

It is owned by the State Highway Agency.