US Bridges

Nfa 1605 (sa 9222) over Overflow

Fair

Weakley County, Tennessee · 2.2 MI W of SR89 · Structure no. 92016050015

Built
1999
26 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
72 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 concrete continuous slab carrying Nfa 1605 (sa 9222) over Overflow in Weakley County, Tennessee. It was built in 1999, so it is 26 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 118 vehicles a day, roughly 4% of them trucks, projected to reach 112 by 2041. The structure is 72 ft (21.9 m) long and 24 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesNfa 1605 (sa 9222)
CrossesOverflow
Location2.2 MI W of SR89
RouteCounty Highway 1605
Coordinates36.43614, -88.61636
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length72 ft (21.9 m)
Longest span18 ft (5.5 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic118 (2021)
Projected traffic112 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 1999, making it 26 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 118 vehicles per day (2021 count), of which roughly 4% are trucks.

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

The structure is 72 ft (21.9 m) long with a longest span of 18 ft (5.5 m) and a deck 24 ft wide.

Who owns Nfa 1605 (sa 9222) over Overflow?

It is owned by the County Highway Agency.