US Bridges

FAS 48 over SR 48 / I24

Fair

Montgomery County, Tennessee · .8 Mi.S.Of Kentucky Line · Structure no. 63I00240001

Built
1975
50 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
365 ft
3 main spans
Daily traffic
17,032
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 48 over SR 48 / I24 is a concrete continuous box beam or girders - multiple carrying FAS 48 over SR 48 / I24 in Montgomery 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 17,032 vehicles a day, roughly 7% of them trucks, projected to reach 29,232 by 2040. The structure is 365 ft (111.3 m) long and 50 ft wide.

Location

Open in Google Maps
CarriesFAS 48
CrossesSR 48 / I24
Location.8 Mi.S.Of Kentucky Line
RouteState Highway 48
CountyMontgomery County
StateTennessee
Coordinates36.62947, -87.3171
Functional classUrban 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 inspectionSeptember 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 rating54.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length365 ft (111.3 m)
Longest span120 ft (36.6 m)
Deck width50 ft (15.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,032 (2021)
Projected traffic29,232 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 FAS 48 over SR 48 / I24 built?

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

What condition is FAS 48 over SR 48 / I24 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 September 2024.

How much traffic does FAS 48 over SR 48 / I24 carry?

About 17,032 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is FAS 48 over SR 48 / I24?

The structure is 365 ft (111.3 m) long with a longest span of 120 ft (36.6 m) and a deck 50 ft wide.

Who owns FAS 48 over SR 48 / I24?

It is owned by the State Highway Agency.