US Bridges

FAP 70 over I81

Fair

Greene County, Tennessee · 2 M S of SR34 · Structure no. 30I00810029

Built
1975
50 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
376 ft
3 main spans
Daily traffic
1,283
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 70 over I81 is a concrete continuous box beam or girders - single or spread carrying FAP 70 over I81 in Greene County, Tennessee. It was built in 1975, so it is 50 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 6 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 1,283 vehicles a day, roughly 6% of them trucks, projected to reach 2,053 by 2042. The structure is 376 ft (114.7 m) long and 50 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

Location

Open in Google Maps
CarriesFAP 70
CrossesI81
Location2 M S of SR34
RouteState Highway 70
CountyGreene County
StateTennessee
Coordinates36.27394, -82.92263
Functional classRural Minor 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating46.4 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length376 ft (114.7 m)
Longest span138 ft (42.2 m)
Deck width50 ft (15.2 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,283 (2021)
Projected traffic2,053 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed34.8 mi (56 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAP 70 over I81 built?

It was built in 1975, making it 50 years old in 2025.

What condition is FAP 70 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 July 2024.

How much traffic does FAP 70 over I81 carry?

About 1,283 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAP 70 over I81?

The structure is 376 ft (114.7 m) long with a longest span of 138 ft (42.2 m) and a deck 50 ft wide.

Who owns FAP 70 over I81?

It is owned by the State Highway Agency.