US Bridges

Nfa A121 over Buffalo Creek

Fair

Scott County, Tennessee · 4.7 MI N of Fairview · Structure no. 760A1210001

Built
1930
95 years old, rebuilt 1960
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
93 ft
3 main spans
Daily traffic
70
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A121 over Buffalo Creek is a steel stringer/multi-beam or girder carrying Nfa A121 over Buffalo Creek in Scott County, Tennessee. It was built in 1930 and reconstructed in 1960, so it is 95 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 70 vehicles a day, roughly 2% of them trucks, projected to reach 112 by 2042. The structure is 93 ft (28.3 m) long and 19 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A121
CrossesBuffalo Creek
Location4.7 MI N of Fairview
RouteCounty Highway 121
Coordinates36.44602, -84.40112
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length93 ft (28.3 m)
Longest span42 ft (12.8 m)
Deck width19 ft (5.8 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2020)
Projected traffic112 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-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 statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$266,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A121 over Buffalo Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1960.

What condition is Nfa A121 over Buffalo 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 August 2024.

How much traffic does Nfa A121 over Buffalo Creek carry?

About 70 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A121 over Buffalo Creek?

The structure is 93 ft (28.3 m) long with a longest span of 42 ft (12.8 m) and a deck 19 ft wide.

Who owns Nfa A121 over Buffalo Creek?

It is owned by the County Highway Agency.