US Bridges

Nfa 1525 (sa 6611) over Overflow

Good

Obion County, Tennessee · 5.5 MI NE JCT SR5&SR89 · Structure no. 66015250001

Built
2019
6 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
125 ft
1 main span
Daily traffic
110
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1525 (sa 6611) over Overflow is a prestressed concrete box beam or girders - single or spread carrying Nfa 1525 (sa 6611) over Overflow in Obion County, Tennessee. It was built in 2019, so it is 6 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 110 vehicles a day, roughly 4% of them trucks, projected to reach 256 by 2041. The structure is 125 ft (38.1 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa 1525 (sa 6611)
CrossesOverflow
Location5.5 MI NE JCT SR5&SR89
RouteCounty Highway 1525
Coordinates36.27789, -88.98264
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length125 ft (38.1 m)
Longest span125 ft (38.1 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2021)
Projected traffic256 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 1525 (sa 6611) over Overflow built?

It was built in 2019, making it 6 years old in 2025.

What condition is Nfa 1525 (sa 6611) over Overflow in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does Nfa 1525 (sa 6611) over Overflow carry?

About 110 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Nfa 1525 (sa 6611) over Overflow?

The structure is 125 ft (38.1 m) long with a longest span of 125 ft (38.1 m) and a deck 26 ft wide.

Who owns Nfa 1525 (sa 6611) over Overflow?

It is owned by the County Highway Agency.