US Bridges

Nfa 1153 (sa 7706) over Welch Branch

Fair

Sequatchie County, Tennessee · 2 MI East of US 127 · Structure no. 77011530005

Built
1963
62 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
472
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1153 (sa 7706) over Welch Branch is a concrete continuous culvert carrying Nfa 1153 (sa 7706) over Welch Branch in Sequatchie County, Tennessee. It was built in 1963, so it is 62 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 6 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 472 vehicles a day, roughly 3% of them trucks, projected to reach 707 by 2042. The structure is 28 ft (8.5 m) long and 39 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 1153 (sa 7706)
CrossesWelch Branch
Location2 MI East of US 127
RouteCounty Highway 1153
CountySequatchie County
StateTennessee
Coordinates35.3999, -85.32472
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length28 ft (8.5 m)
Longest span12 ft (3.7 m)
Deck width39 ft (11.9 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic472 (2021)
Projected traffic707 by 2042
Trucks3%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1153 (sa 7706) over Welch Branch built?

It was built in 1963, making it 62 years old in 2025.

What condition is Nfa 1153 (sa 7706) over Welch Branch 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 December 2024.

How much traffic does Nfa 1153 (sa 7706) over Welch Branch carry?

About 472 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1153 (sa 7706) over Welch Branch?

The structure is 28 ft (8.5 m) long with a longest span of 12 ft (3.7 m) and a deck 39 ft wide.

Who owns Nfa 1153 (sa 7706) over Welch Branch?

It is owned by the County Highway Agency.