US Bridges

Nfa A626 over Overflow

FairPosted for load

Hardeman County, Tennessee · 1 MI N of Bolivar · Structure no. 350A4620003

Built
1970
55 years old, rebuilt 2007
Condition
Fair
inspected August 2024
Type
Channel Beam
Concrete
Length
58 ft
3 main spans
Daily traffic
1,000
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa A626 over Overflow is a concrete channel beam carrying Nfa A626 over Overflow in Hardeman County, Tennessee. It was built in 1970 and reconstructed in 2007, so it is 55 years old, older 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. Its operating status is: posted for load restriction.

It carries about 1,000 vehicles a day, roughly 1% of them trucks, projected to reach 1,470 by 2042. The structure is 58 ft (17.7 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa A626
CrossesOverflow
Location1 MI N of Bolivar
RouteCounty Highway 5682
Coordinates35.2777, -89.00216
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length58 ft (17.7 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2021)
Projected traffic1,470 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$221,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A626 over Overflow built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2007.

What condition is Nfa A626 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 August 2024.

How much traffic does Nfa A626 over Overflow carry?

About 1,000 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Nfa A626 over Overflow?

The structure is 58 ft (17.7 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Nfa A626 over Overflow?

It is owned by the County Highway Agency.