US Bridges

Nfa A109 over Jones Branch

Fair

Scott County, Tennessee · W of US27 near Winfield · Structure no. 760A1090001

Built
1948
77 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
1 main span
Daily traffic
970
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A109 over Jones Branch is a steel stringer/multi-beam or girder carrying Nfa A109 over Jones Branch in Scott County, Tennessee. It was built in 1948, so it is 77 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.

It carries about 970 vehicles a day, roughly 17% of them trucks, projected to reach 1,552 by 2042. The structure is 45 ft (13.6 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa A109
CrossesJones Branch
LocationW of US27 near Winfield
RouteCounty Highway 109
CountyScott County
StateTennessee
Coordinates36.56763, -84.45243
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length45 ft (13.6 m)
Longest span44 ft (13.4 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic970 (2020)
Projected traffic1,552 by 2042
Trucks17%
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 statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$182,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A109 over Jones Branch built?

It was built in 1948, making it 77 years old in 2025.

What condition is Nfa A109 over Jones Branch 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 September 2024.

How much traffic does Nfa A109 over Jones Branch carry?

About 970 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is Nfa A109 over Jones Branch?

The structure is 45 ft (13.6 m) long with a longest span of 44 ft (13.4 m) and a deck 23 ft wide.

Who owns Nfa A109 over Jones Branch?

It is owned by the County Highway Agency.