US Bridges

Nfa A305 (sa 7119) over I40

FairPosted for load

Putnam County, Tennessee · 1 MI from US70 · Structure no. 71I00400047

Built
1961
64 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
267 ft
4 main spans
Daily traffic
130
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa A305 (sa 7119) over I40 is a prestressed concrete stringer/multi-beam or girder carrying Nfa A305 (sa 7119) over I40 in Putnam County, Tennessee. It was built in 1961, so it is 64 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. Its operating status is: posted for load restriction.

It carries about 130 vehicles a day, roughly 2% of them trucks, projected to reach 208 by 2042. The structure is 267 ft (81.4 m) long and 28 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

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CarriesNfa A305 (sa 7119)
CrossesI40
Location1 MI from US70
RouteCounty Highway 305
CountyPutnam County
StateTennessee
Coordinates36.13108, -85.34451
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating21.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length267 ft (81.4 m)
Longest span69 ft (21 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2020)
Projected traffic208 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed14.9 mi (24 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$1.8 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa A305 (sa 7119) over I40 built?

It was built in 1961, making it 64 years old in 2025.

What condition is Nfa A305 (sa 7119) 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 July 2024.

How much traffic does Nfa A305 (sa 7119) over I40 carry?

About 130 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A305 (sa 7119) over I40?

The structure is 267 ft (81.4 m) long with a longest span of 69 ft (21 m) and a deck 28 ft wide.

Who owns Nfa A305 (sa 7119) over I40?

It is owned by the State Highway Agency.