US Bridges

Nfa 1593 (sa 2723) over Overflow S Fork Obion

Good

Gibson County, Tennessee · 3.6 MI NW JCT SR43&SR105 · Structure no. 27015930019

Built
2005
20 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
242
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1593 (sa 2723) over Overflow S Fork Obion is a prestressed concrete box beam or girders - single or spread carrying Nfa 1593 (sa 2723) over Overflow S Fork Obion in Gibson County, Tennessee. It was built in 2005, so it is 20 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 242 vehicles a day, roughly 3% of them trucks, projected to reach 387 by 2042. The structure is 100 ft (30.5 m) long and 30 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesNfa 1593 (sa 2723)
CrossesOverflow S Fork Obion
Location3.6 MI NW JCT SR43&SR105
RouteCounty Highway 1593
Coordinates36.13236, -88.84866
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length100 ft (30.5 m)
Longest span99 ft (30.2 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic242 (2021)
Projected traffic387 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 1593 (sa 2723) over Overflow S Fork Obion built?

It was built in 2005, making it 20 years old in 2025.

What condition is Nfa 1593 (sa 2723) over Overflow S Fork Obion 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 July 2023.

How much traffic does Nfa 1593 (sa 2723) over Overflow S Fork Obion carry?

About 242 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1593 (sa 2723) over Overflow S Fork Obion?

The structure is 100 ft (30.5 m) long with a longest span of 99 ft (30.2 m) and a deck 30 ft wide.

Who owns Nfa 1593 (sa 2723) over Overflow S Fork Obion?

It is owned by the County Highway Agency.