US Bridges

FAS 48 over SR 48 / I40

PoorPosted for load

Dickson County, Tennessee · .2 Mi.N.Of Hickman County · Structure no. 22I00400001

Built
1963
62 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
242 ft
4 main spans
Daily traffic
2,160
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 48 over SR 48 / I40 is a steel continuous stringer/multi-beam or girder carrying FAS 48 over SR 48 / I40 in Dickson County, Tennessee. It was built in 1963, so it is 62 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 2,160 vehicles a day, roughly 5% of them trucks, projected to reach 3,456 by 2042. The structure is 242 ft (73.8 m) long and 34 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

Location

Open in Google Maps
CarriesFAS 48
CrossesSR 48 / I40
Location.2 Mi.N.Of Hickman County
RouteU.S. Route 48
CountyDickson County
StateTennessee
Coordinates35.98863, -87.48795
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.7 US tons
Inventory rating27.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length242 ft (73.8 m)
Longest span68 ft (20.7 m)
Deck width34 ft (10.5 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,160 (2021)
Projected traffic3,456 by 2042
Trucks5%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.2 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAS 48 over SR 48 / I40 built?

It was built in 1963, making it 62 years old in 2025.

What condition is FAS 48 over SR 48 / I40 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does FAS 48 over SR 48 / I40 carry?

About 2,160 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 48 over SR 48 / I40?

The structure is 242 ft (73.8 m) long with a longest span of 68 ft (20.7 m) and a deck 34 ft wide.

Who owns FAS 48 over SR 48 / I40?

It is owned by the State Highway Agency.