US Bridges

Nfa A337 over Little Hatchie Creek

Fair

McNairy County, Tennessee · 1 MI N of SR15 · Structure no. 550A3370003

Built
1992
33 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
87 ft
3 main spans
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A337 over Little Hatchie Creek is a prestressed concrete box beam or girders - single or spread carrying Nfa A337 over Little Hatchie Creek in McNairy 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 80 by 2042. The structure is 87 ft (26.5 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A337
CrossesLittle Hatchie Creek
Location1 MI N of SR15
RouteCounty Highway 337
Coordinates35.218, -88.71828
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span29 ft (8.8 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic80 by 2042
Trucks2%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A337 over Little Hatchie Creek built?

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

What condition is Nfa A337 over Little Hatchie 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 A337 over Little Hatchie Creek carry?

About 50 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A337 over Little Hatchie Creek?

The structure is 87 ft (26.5 m) long with a longest span of 29 ft (8.8 m) and a deck 24 ft wide.

Who owns Nfa A337 over Little Hatchie Creek?

It is owned by the County Highway Agency.