US Bridges

Nfa 2172 (sa 0412) over Polebridge Creek

Fair

Bledsoe County, Tennessee · .15 MI N of SR 30 · Structure no. 04021720003

Built
1992
33 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
1,609
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2172 (sa 0412) over Polebridge Creek is a concrete continuous culvert carrying Nfa 2172 (sa 0412) over Polebridge Creek in Bledsoe County, Tennessee. It was built in 1992, so it is 33 years old, younger 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 1,609 vehicles a day, roughly 3% of them trucks, projected to reach 3,424 by 2038. The structure is 23 ft (7 m) long and 32 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesNfa 2172 (sa 0412)
CrossesPolebridge Creek
Location.15 MI N of SR 30
RouteCounty Highway 2172
CountyBledsoe County
StateTennessee
Coordinates35.57511, -85.11403
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width32 ft (9.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,609 (2021)
Projected traffic3,424 by 2038
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 Polebridge Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Nfa 2172 (sa 0412) over Polebridge 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 June 2024.

How much traffic does Nfa 2172 (sa 0412) over Polebridge Creek carry?

About 1,609 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2172 (sa 0412) over Polebridge Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns Nfa 2172 (sa 0412) over Polebridge Creek?

It is owned by the County Highway Agency.