US Bridges

Nfa A040 over S.Fk. Cumberland River

FairClosed to traffic

Scott County, Tennessee · 8.3 M W by SW of Oneida · Structure no. 760A0400011

Built
1914
111 years old
Condition
Fair
inspected October 2022
Type
Truss - Thru
Steel
Length
344 ft
1 main span
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A040 over S.Fk. Cumberland River is a steel truss - thru carrying Nfa A040 over S.Fk. Cumberland River in Scott County, Tennessee. It was built in 1914, so it is 111 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: closed to all traffic.

It carries about 20 vehicles a day, roughly 2% of them trucks, projected to reach 32 by 2042. The structure is 344 ft (104.9 m) long and 10 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNfa A040
CrossesS.Fk. Cumberland River
Location8.3 M W by SW of Oneida
RouteCounty Highway 40
CountyScott County
StateTennessee
Coordinates36.45405, -84.65072
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry0: Immediate repair necessary to put back in service
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27.9 US tons
Inventory rating17.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+4 approach)
Design loadUnknown
Structure length344 ft (104.9 m)
Longest span201 ft (61.4 m)
Deck width10 ft (3 m)
Roadway width9 ft (2.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic32 by 2042
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A040 over S.Fk. Cumberland River built?

It was built in 1914, making it 111 years old in 2025.

What condition is Nfa A040 over S.Fk. Cumberland 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 October 2022.

How much traffic does Nfa A040 over S.Fk. Cumberland River carry?

About 20 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A040 over S.Fk. Cumberland River?

The structure is 344 ft (104.9 m) long with a longest span of 201 ft (61.4 m) and a deck 10 ft wide.

Who owns Nfa A040 over S.Fk. Cumberland River?

It is owned by the County Highway Agency.