US Bridges

Nfa 2371 (sa 7322) over Poplar Creek

Fair

Roane County, Tennessee · 1.3 M NW of SR95 at CO LN · Structure no. 73023710001

Built
1970
55 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
136 ft
2 main spans
Daily traffic
820
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2371 (sa 7322) over Poplar Creek is a prestressed concrete stringer/multi-beam or girder carrying Nfa 2371 (sa 7322) over Poplar Creek in Roane County, Tennessee. It was built in 1970, so it is 55 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 820 vehicles a day, roughly 3% of them trucks, projected to reach 1,312 by 2042. The structure is 136 ft (41.5 m) long and 28 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesNfa 2371 (sa 7322)
CrossesPoplar Creek
Location1.3 M NW of SR95 at CO LN
RouteCounty Highway 2371
CountyRoane County
StateTennessee
Coordinates35.99642, -84.34105
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
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 typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length136 ft (41.5 m)
Longest span68 ft (20.7 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic820 (2021)
Projected traffic1,312 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 2371 (sa 7322) over Poplar Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nfa 2371 (sa 7322) over Poplar 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 March 2023.

How much traffic does Nfa 2371 (sa 7322) over Poplar Creek carry?

About 820 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2371 (sa 7322) over Poplar Creek?

The structure is 136 ft (41.5 m) long with a longest span of 68 ft (20.7 m) and a deck 28 ft wide.

Who owns Nfa 2371 (sa 7322) over Poplar Creek?

It is owned by the County Highway Agency.