US Bridges

Nfa A707 over Falling Water River

FairPosted for load

Putnam County, Tennessee · .5MI South of I40 · Structure no. 710A7070001

Built
1975
50 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
130 ft
3 main spans
Daily traffic
1,360
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A707 over Falling Water River is a steel stringer/multi-beam or girder carrying Nfa A707 over Falling Water River in Putnam 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 5 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 1,360 vehicles a day, roughly 2% of them trucks, projected to reach 2,176 by 2042. The structure is 130 ft (39.6 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa A707
CrossesFalling Water River
Location.5MI South of I40
RouteCounty Highway 707
CountyPutnam County
StateTennessee
Coordinates36.13058, -85.44458
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating27.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length130 ft (39.6 m)
Longest span50 ft (15.2 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,360 (2020)
Projected traffic2,176 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A707 over Falling Water River built?

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

What condition is Nfa A707 over Falling Water River 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 August 2024.

How much traffic does Nfa A707 over Falling Water River carry?

About 1,360 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A707 over Falling Water River?

The structure is 130 ft (39.6 m) long with a longest span of 50 ft (15.2 m) and a deck 26 ft wide.

Who owns Nfa A707 over Falling Water River?

It is owned by the County Highway Agency.