US Bridges

Nfa 1678 (sa 5516) over Sandy Creek

Fair

McNairy County, Tennessee · 2.5 MI E of Bethel Spring · Structure no. 55016780001

Built
2008
17 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
508
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1678 (sa 5516) over Sandy Creek is a prestressed concrete box beam or girders - single or spread carrying Nfa 1678 (sa 5516) over Sandy Creek in McNairy County, Tennessee. It was built in 2008, so it is 17 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 508 vehicles a day, roughly 3% of them trucks, projected to reach 768 by 2040. The structure is 50 ft (15.2 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 1678 (sa 5516)
CrossesSandy Creek
Location2.5 MI E of Bethel Spring
RouteCounty Highway 1678
CountyMcNairy County
StateTennessee
Coordinates35.22493, -88.5681
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 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 length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic508 (2021)
Projected traffic768 by 2040
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1678 (sa 5516) over Sandy Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Nfa 1678 (sa 5516) over Sandy Creek 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 August 2024.

How much traffic does Nfa 1678 (sa 5516) over Sandy Creek carry?

About 508 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1678 (sa 5516) over Sandy Creek?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns Nfa 1678 (sa 5516) over Sandy Creek?

It is owned by the County Highway Agency.