US Bridges

FAS 138 over I40

Fair

Madison County, Tennessee · I-40 and SR 138 Intchg · Structure no. 57I00400001

Built
1960
65 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
236 ft
4 main spans
Daily traffic
1,094
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 138 over I40 is a prestressed concrete stringer/multi-beam or girder carrying FAS 138 over I40 in Madison 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 1,094 vehicles a day, roughly 5% of them trucks, projected to reach 1,750 by 2042. The structure is 236 ft (71.9 m) long and 34 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesFAS 138
CrossesI40
LocationI-40 and SR 138 Intchg
RouteState Highway 138
Coordinates35.59672, -89.05464
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating31.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length236 ft (71.9 m)
Longest span75 ft (22.9 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,094 (2021)
Projected traffic1,750 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed19.9 mi (32 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.9 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAS 138 over I40 built?

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

What condition is FAS 138 over I40 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 April 2023.

How much traffic does FAS 138 over I40 carry?

About 1,094 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 138 over I40?

The structure is 236 ft (71.9 m) long with a longest span of 75 ft (22.9 m) and a deck 34 ft wide.

Who owns FAS 138 over I40?

It is owned by the State Highway Agency.