US Bridges

Nfa A093 (sa 0408) over Little Beaver Dam Creek

Fair

Bledsoe County, Tennessee · 5 MI East of SR 101 · Structure no. 040A0930001

Built
1940
85 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
28 ft
2 main spans
Daily traffic
460
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A093 (sa 0408) over Little Beaver Dam Creek is a steel continuous stringer/multi-beam or girder carrying Nfa A093 (sa 0408) over Little Beaver Dam Creek in Bledsoe County, Tennessee. It was built in 1940, so it is 85 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 460 vehicles a day, roughly 2% of them trucks, projected to reach 736 by 2040. The structure is 28 ft (8.5 m) long and 19 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesNfa A093 (sa 0408)
CrossesLittle Beaver Dam Creek
Location5 MI East of SR 101
RouteCounty Highway 93
Coordinates35.7237, -85.18337
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
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.8 US tons
Inventory rating29.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length28 ft (8.5 m)
Longest span14 ft (4.3 m)
Deck width19 ft (5.9 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic460 (2020)
Projected traffic736 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 with deck rehabilitation or replacement
Estimated improvement cost$154,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A093 (sa 0408) over Little Beaver Dam Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Nfa A093 (sa 0408) over Little Beaver Dam 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 July 2024.

How much traffic does Nfa A093 (sa 0408) over Little Beaver Dam Creek carry?

About 460 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A093 (sa 0408) over Little Beaver Dam Creek?

The structure is 28 ft (8.5 m) long with a longest span of 14 ft (4.3 m) and a deck 19 ft wide.

Who owns Nfa A093 (sa 0408) over Little Beaver Dam Creek?

It is owned by the County Highway Agency.