US Bridges

Nfa A073 over Sequatchie River

Fair

Bledsoe County, Tennessee · 1 MI from FAS 1155 · Structure no. 040A0730001

Built
1936
89 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
210 ft
4 main spans
Daily traffic
200
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A073 over Sequatchie River is a steel stringer/multi-beam or girder carrying Nfa A073 over Sequatchie River in Bledsoe County, Tennessee. It was built in 1936, so it is 89 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 200 vehicles a day, roughly 2% of them trucks, projected to reach 320 by 2040. The structure is 210 ft (64.1 m) long and 21 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa A073
CrossesSequatchie River
Location1 MI from FAS 1155
RouteCounty Highway 73
CountyBledsoe County
StateTennessee
Coordinates35.6304, -85.1537
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.
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 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length210 ft (64.1 m)
Longest span52 ft (15.9 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2020)
Projected traffic320 by 2040
Trucks2%
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 statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$659,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A073 over Sequatchie River built?

It was built in 1936, making it 89 years old in 2025.

What condition is Nfa A073 over Sequatchie 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 July 2024.

How much traffic does Nfa A073 over Sequatchie River carry?

About 200 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A073 over Sequatchie River?

The structure is 210 ft (64.1 m) long with a longest span of 52 ft (15.9 m) and a deck 21 ft wide.

Who owns Nfa A073 over Sequatchie River?

It is owned by the County Highway Agency.