US Bridges

Nfa 1661 over Neatherly Branch

Good

McNairy County, Tennessee · 9 MI S of US64 · Structure no. 55S81190001

Built
2023
2 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
707
2022 count
Owner
County
County Highway Agency

About this bridge

Nfa 1661 over Neatherly Branch is a prestressed concrete box beam or girders - single or spread carrying Nfa 1661 over Neatherly Branch in McNairy County, Tennessee. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 707 vehicles a day, roughly 3% of them trucks, projected to reach 976 by 2042. The structure is 55 ft (16.8 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 1661
CrossesNeatherly Branch
Location9 MI S of US64
RouteCounty Highway 1661
CountyMcNairy County
StateTennessee
Coordinates35.10275, -88.69434
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length55 ft (16.8 m)
Longest span55 ft (16.8 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic707 (2022)
Projected traffic976 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 statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$161,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1661 over Neatherly Branch built?

It was built in 2023, making it 2 years old in 2025.

What condition is Nfa 1661 over Neatherly Branch 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 May 2023.

How much traffic does Nfa 1661 over Neatherly Branch carry?

About 707 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Nfa 1661 over Neatherly Branch?

The structure is 55 ft (16.8 m) long with a longest span of 55 ft (16.8 m) and a deck 30 ft wide.

Who owns Nfa 1661 over Neatherly Branch?

It is owned by the County Highway Agency.