US Bridges

Nfa B139 over Brushy Fork Creek

Fair

Anderson County, Tennessee · .2 M S JCT SR 61 & B139 · Structure no. 010B1390001

Built
1965
60 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
80
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa B139 over Brushy Fork Creek is a prestressed concrete box beam or girders - multiple carrying Nfa B139 over Brushy Fork Creek in Anderson County, Tennessee. It was built in 1965, 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 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 80 vehicles a day, roughly 2% of them trucks, projected to reach 128 by 2042. The structure is 50 ft (15.2 m) long and 12 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNfa B139
CrossesBrushy Fork Creek
Location.2 M S JCT SR 61 & B139
RouteCounty Highway 139
CountyAnderson County
StateTennessee
Coordinates36.04937, -84.24165
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span47 ft (14.2 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2020)
Projected traffic128 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 statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$268,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa B139 over Brushy Fork Creek built?

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

What condition is Nfa B139 over Brushy Fork Creek 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 June 2023.

How much traffic does Nfa B139 over Brushy Fork Creek carry?

About 80 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B139 over Brushy Fork Creek?

The structure is 50 ft (15.2 m) long with a longest span of 47 ft (14.2 m) and a deck 12 ft wide.

Who owns Nfa B139 over Brushy Fork Creek?

It is owned by the County Highway Agency.