US Bridges

Nfa 855 (sa 9215) over Overflow

Fair

Weakley County, Tennessee · 3.5 MI W of SR43 · Structure no. 92S82210003

Built
2007
18 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
97 ft
1 main span
Daily traffic
654
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 855 (sa 9215) over Overflow is a prestressed concrete box beam or girders - single or spread carrying Nfa 855 (sa 9215) over Overflow in Weakley County, Tennessee. It was built in 2007, so it is 18 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 654 vehicles a day, roughly 3% of them trucks, projected to reach 944 by 2040. The structure is 97 ft (29.6 m) long and 28 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesNfa 855 (sa 9215)
CrossesOverflow
Location3.5 MI W of SR43
RouteCounty Highway 855
CountyWeakley County
StateTennessee
Coordinates36.26694, -88.89493
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 rating97.1 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 loadHS 20 + Mod
Structure length97 ft (29.6 m)
Longest span97 ft (29.6 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic654 (2021)
Projected traffic944 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 855 (sa 9215) over Overflow built?

It was built in 2007, making it 18 years old in 2025.

What condition is Nfa 855 (sa 9215) 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 855 (sa 9215) over Overflow carry?

About 654 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 855 (sa 9215) over Overflow?

The structure is 97 ft (29.6 m) long with a longest span of 97 ft (29.6 m) and a deck 28 ft wide.

Who owns Nfa 855 (sa 9215) over Overflow?

It is owned by the County Highway Agency.