US Bridges

Nfa 1134 (sa 0405) over Sequatchie River

Fair

Bledsoe County, Tennessee · 3MI East of US 127 · Structure no. 04011340005

Built
1960
65 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete
Length
338 ft
11 main spans
Daily traffic
494
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1134 (sa 0405) over Sequatchie River is a concrete tee beam carrying Nfa 1134 (sa 0405) over Sequatchie River in Bledsoe County, Tennessee. It was built in 1960, so it is 65 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 494 vehicles a day, roughly 3% of them trucks, projected to reach 709 by 2041. The structure is 338 ft (103 m) long and 29 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesNfa 1134 (sa 0405)
CrossesSequatchie River
Location3MI East of US 127
RouteCounty Highway 1134
CountyBledsoe County
StateTennessee
Coordinates35.50238, -85.25662
Functional classRural Minor Collector

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.
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans11
Design loadHS 15
Structure length338 ft (103 m)
Longest span53 ft (16.2 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic494 (2021)
Projected traffic709 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.3 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1134 (sa 0405) over Sequatchie River built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nfa 1134 (sa 0405) 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 June 2024.

How much traffic does Nfa 1134 (sa 0405) over Sequatchie River carry?

About 494 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1134 (sa 0405) over Sequatchie River?

The structure is 338 ft (103 m) long with a longest span of 53 ft (16.2 m) and a deck 29 ft wide.

Who owns Nfa 1134 (sa 0405) over Sequatchie River?

It is owned by the County Highway Agency.