US Bridges

Nfa 1401 (sa 2722) over Overflow

Fair

Gibson County, Tennessee · 2.8 MI NW JCT SR54&SR185 · Structure no. 27014010005

Built
1992
33 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
110 ft
3 main spans
Daily traffic
273
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1401 (sa 2722) over Overflow is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa 1401 (sa 2722) over Overflow in Gibson County, Tennessee. It was built in 1992, so it is 33 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 273 vehicles a day, roughly 3% of them trucks, projected to reach 437 by 2042. The structure is 110 ft (33.5 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 1401 (sa 2722)
CrossesOverflow
Location2.8 MI NW JCT SR54&SR185
RouteCounty Highway 1401
CountyGibson County
StateTennessee
Coordinates36.07789, -88.92044
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.6 US tons
Inventory rating29.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span50 ft (15.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic273 (2021)
Projected traffic437 by 2042
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$752,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1401 (sa 2722) over Overflow built?

It was built in 1992, making it 33 years old in 2025.

What condition is Nfa 1401 (sa 2722) 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 July 2023.

How much traffic does Nfa 1401 (sa 2722) over Overflow carry?

About 273 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1401 (sa 2722) over Overflow?

The structure is 110 ft (33.5 m) long with a longest span of 50 ft (15.2 m) and a deck 26 ft wide.

Who owns Nfa 1401 (sa 2722) over Overflow?

It is owned by the County Highway Agency.