US Bridges

Nfa 1536 (sa 6619) over Overflow

Good

Obion County, Tennessee · 2 MI East of SR214 · Structure no. 66015360003

Built
2023
2 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
283
2022 count
Owner
County
County Highway Agency

About this bridge

Nfa 1536 (sa 6619) over Overflow is a prestressed concrete box beam or girders - single or spread carrying Nfa 1536 (sa 6619) over Overflow in Obion County, Tennessee. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 283 vehicles a day, roughly 3% of them trucks, projected to reach 456 by 2042. The structure is 50 ft (15.2 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesNfa 1536 (sa 6619)
CrossesOverflow
Location2 MI East of SR214
RouteCounty Highway 1536
CountyObion County
StateTennessee
Coordinates36.446, -88.94859
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span46 ft (13.9 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic283 (2022)
Projected traffic456 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$160,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1536 (sa 6619) over Overflow built?

It was built in 2023, making it 2 years old in 2025.

What condition is Nfa 1536 (sa 6619) over Overflow 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 2023.

How much traffic does Nfa 1536 (sa 6619) over Overflow carry?

About 283 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Nfa 1536 (sa 6619) over Overflow?

The structure is 50 ft (15.2 m) long with a longest span of 46 ft (13.9 m) and a deck 28 ft wide.

Who owns Nfa 1536 (sa 6619) over Overflow?

It is owned by the County Highway Agency.