US Bridges

Nfa A443 over Poplar Springs Branch

Good

Marion County, Tennessee · Near State Line · Structure no. 580A4430001

Built
1992
33 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
580
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A443 over Poplar Springs Branch is a concrete continuous culvert carrying Nfa A443 over Poplar Springs Branch in Marion 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 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 580 vehicles a day, projected to reach 928 by 2040. The structure is 26 ft (7.8 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNfa A443
CrossesPoplar Springs Branch
LocationNear State Line
RouteCity Street 443
CountyMarion County
StateTennessee
Coordinates34.99267, -85.7267
Functional classUrban Local

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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span12 ft (3.7 m)
Deck width39 ft (11.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic580 (2020)
Projected traffic928 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 A443 over Poplar Springs Branch built?

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

What condition is Nfa A443 over Poplar Springs 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 October 2024.

How much traffic does Nfa A443 over Poplar Springs Branch carry?

About 580 vehicles per day (2020 count).

How long is Nfa A443 over Poplar Springs Branch?

The structure is 26 ft (7.8 m) long with a longest span of 12 ft (3.7 m) and a deck 39 ft wide.

Who owns Nfa A443 over Poplar Springs Branch?

It is owned by the City or Municipal Highway Agency.