US Bridges

Nfa A060 over Overflow

PoorPosted for load

Hardeman County, Tennessee · 3 MI S of Madison Co. · Structure no. 350A0600003

Built
1965
60 years old
Condition
Poor
inspected August 2024
Type
Channel Beam
Concrete
Length
76 ft
4 main spans
Daily traffic
150
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A060 over Overflow is a concrete channel beam carrying Nfa A060 over Overflow in Hardeman County, Tennessee. It was built in 1965, so it is 60 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, roughly 6% of them trucks, projected to reach 240 by 2042. The structure is 76 ft (23.2 m) long and 22 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa A060
CrossesOverflow
Location3 MI S of Madison Co.
RouteCounty Highway 60
Coordinates35.39784, -88.96811
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating26.8 US tons
Inventory rating16.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadH 15
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2020)
Projected traffic240 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$245,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A060 over Overflow built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nfa A060 over Overflow in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Nfa A060 over Overflow carry?

About 150 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Nfa A060 over Overflow?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 22 ft wide.

Who owns Nfa A060 over Overflow?

It is owned by the County Highway Agency.