US Bridges

FAP 401 (sr 24) over SR 24 / I40

Poor

Putnam County, Tennessee · 1 MI Cumbeland Putnam Cl · Structure no. 71I00400057

Built
1965
60 years old, rebuilt 1986
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
339 ft
5 main spans
Daily traffic
2,882
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 401 (sr 24) over SR 24 / I40 is a prestressed concrete stringer/multi-beam or girder carrying FAP 401 (sr 24) over SR 24 / I40 in Putnam County, Tennessee. It was built in 1965 and reconstructed in 1986, so it is 60 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.

It carries about 2,882 vehicles a day, roughly 5% of them trucks, projected to reach 4,611 by 2042. The structure is 339 ft (103.3 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAP 401 (sr 24)
CrossesSR 24 / I40
Location1 MI Cumbeland Putnam Cl
RouteU.S. Route 70
Coordinates36.11353, -85.24396
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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 rating61.4 US tons
Inventory rating47.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length339 ft (103.3 m)
Longest span79 ft (24.1 m)
Deck width34 ft (10.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,882 (2021)
Projected traffic4,611 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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$3.1 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAP 401 (sr 24) over SR 24 / I40 built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1986.

What condition is FAP 401 (sr 24) over SR 24 / 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 July 2024.

How much traffic does FAP 401 (sr 24) over SR 24 / I40 carry?

About 2,882 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAP 401 (sr 24) over SR 24 / I40?

The structure is 339 ft (103.3 m) long with a longest span of 79 ft (24.1 m) and a deck 34 ft wide.

Who owns FAP 401 (sr 24) over SR 24 / I40?

It is owned by the State Highway Agency.