US Bridges

Nfa 2172 (sa 0412) over Lowry Branch

Good

Bledsoe County, Tennessee · .5 MI from Rhea Co.Line · Structure no. 04021720001

Built
1977
48 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
961
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2172 (sa 0412) over Lowry Branch is a concrete continuous culvert carrying Nfa 2172 (sa 0412) over Lowry Branch in Bledsoe County, Tennessee. It was built in 1977, so it is 48 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 961 vehicles a day, roughly 3% of them trucks, projected to reach 1,648 by 2040. The structure is 21 ft (6.3 m) long and 105 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

CarriesNfa 2172 (sa 0412)
CrossesLowry Branch
Location.5 MI from Rhea Co.Line
RouteCounty Highway 2172
Coordinates35.60204, -85.07778
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width105 ft (32 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic961 (2021)
Projected traffic1,648 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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 2172 (sa 0412) over Lowry Branch built?

It was built in 1977, making it 48 years old in 2025.

What condition is Nfa 2172 (sa 0412) over Lowry Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Nfa 2172 (sa 0412) over Lowry Branch carry?

About 961 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2172 (sa 0412) over Lowry Branch?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 105 ft wide.

Who owns Nfa 2172 (sa 0412) over Lowry Branch?

It is owned by the County Highway Agency.