US Bridges

SR 397 over Nanih Waiya Creek

Fair

Winston County, Mississippi · 3.2 MI N Kemper Cl · Structure no. 310039708001820

Built
1985
40 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
241 ft
6 main spans
Daily traffic
1,400
2023 count
Owner
State
State Highway Agency

About this bridge

SR 397 over Nanih Waiya Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 397 over Nanih Waiya Creek in Winston County, Mississippi. It was built in 1985, so it is 40 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 1,400 vehicles a day, roughly 14% of them trucks, projected to reach 1,400 by 2043. The structure is 241 ft (73.6 m) long and 39 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesSR 397
CrossesNanih Waiya Creek
Location3.2 MI N Kemper Cl
RouteState Highway 397
CountyWinston County
StateMississippi
Coordinates32.96382, -88.88312
Functional classRural Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length241 ft (73.6 m)
Longest span40 ft (12.2 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2023)
Projected traffic1,400 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 397 over Nanih Waiya Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is SR 397 over Nanih Waiya 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 April 2024.

How much traffic does SR 397 over Nanih Waiya Creek carry?

About 1,400 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 397 over Nanih Waiya Creek?

The structure is 241 ft (73.6 m) long with a longest span of 40 ft (12.2 m) and a deck 39 ft wide.

Who owns SR 397 over Nanih Waiya Creek?

It is owned by the State Highway Agency.