US Bridges

Nfa 1399 (sa 5726) over Overflow

Fair

Madison County, Tennessee · 2.0 MI S JCT SR20&CROCKET · Structure no. 57S82140011

Built
1960
65 years old, rebuilt 1999
Condition
Fair
inspected May 2023
Type
Channel Beam
Concrete
Length
190 ft
10 main spans
Daily traffic
524
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1399 (sa 5726) over Overflow is a concrete channel beam carrying Nfa 1399 (sa 5726) over Overflow in Madison County, Tennessee. It was built in 1960 and reconstructed in 1999, so it is 65 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.

It carries about 524 vehicles a day, roughly 3% of them trucks, projected to reach 832 by 2041. The structure is 190 ft (57.9 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1399 (sa 5726)
CrossesOverflow
Location2.0 MI S JCT SR20&CROCKET
RouteCounty Highway 1399
Coordinates35.6635, -89.00166
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 protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 rating50.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans10
Design loadH 15
Structure length190 ft (57.9 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic524 (2021)
Projected traffic832 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.2 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1399 (sa 5726) over Overflow built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1999.

What condition is Nfa 1399 (sa 5726) 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 May 2023.

How much traffic does Nfa 1399 (sa 5726) over Overflow carry?

About 524 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1399 (sa 5726) over Overflow?

The structure is 190 ft (57.9 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Nfa 1399 (sa 5726) over Overflow?

It is owned by the County Highway Agency.