US Bridges

Nfa 1605 (sa 9222) over Overflow

Good

Weakley County, Tennessee · 2.2 MI W of SR89 · Structure no. 92016050009

Built
1996
29 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
140 ft
4 main spans
Daily traffic
118
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1605 (sa 9222) over Overflow is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa 1605 (sa 9222) over Overflow in Weakley County, Tennessee. It was built in 1996, so it is 29 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 118 vehicles a day, roughly 4% of them trucks, projected to reach 112 by 2040. The structure is 140 ft (42.7 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa 1605 (sa 9222)
CrossesOverflow
Location2.2 MI W of SR89
RouteCounty Highway 1605
Coordinates36.43425, -88.61939
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating24.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span35 ft (10.7 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic118 (2021)
Projected traffic112 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1605 (sa 9222) over Overflow built?

It was built in 1996, making it 29 years old in 2025.

What condition is Nfa 1605 (sa 9222) 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 September 2024.

How much traffic does Nfa 1605 (sa 9222) over Overflow carry?

About 118 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Nfa 1605 (sa 9222) over Overflow?

The structure is 140 ft (42.7 m) long with a longest span of 35 ft (10.7 m) and a deck 26 ft wide.

Who owns Nfa 1605 (sa 9222) over Overflow?

It is owned by the County Highway Agency.