US Bridges

Nfa 1605 (sa 9222) over Overflow

Fair

Weakley County, Tennessee · 2.2 MI W of SR89 · Structure no. 92016050003

Built
1984
41 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
113
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1605 (sa 9222) over Overflow is a concrete continuous culvert carrying Nfa 1605 (sa 9222) over Overflow in Weakley County, Tennessee. It was built in 1984, so it is 41 years old, younger 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 113 vehicles a day, roughly 4% of them trucks, projected to reach 144 by 2040. The structure is 39 ft (11.9 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa 1605 (sa 9222)
CrossesOverflow
Location2.2 MI W of SR89
RouteCounty Highway 1605
Coordinates36.35597, -88.66028
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic113 (2021)
Projected traffic144 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 1605 (sa 9222) over Overflow built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa 1605 (sa 9222) over Overflow 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 October 2024.

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

About 113 vehicles per day (2021 count), of which roughly 4% are trucks.

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

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m) and a deck 26 ft wide.

Who owns Nfa 1605 (sa 9222) over Overflow?

It is owned by the County Highway Agency.