US Bridges

SR 393 over Nanih Waiya Creek

Fair

Winston County, Mississippi · Neshoba/Winston Cl · Structure no. 310039308000000

Built
1993
32 years old
Condition
Fair
inspected April 2024
Type
Channel Beam
Concrete
Length
123 ft
4 main spans
Daily traffic
280
2023 count
Owner
State
State Highway Agency

About this bridge

SR 393 over Nanih Waiya Creek is a concrete channel beam carrying SR 393 over Nanih Waiya Creek in Winston County, Mississippi. It was built in 1993, so it is 32 years old, younger 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 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 280 vehicles a day, roughly 11% of them trucks, projected to reach 280 by 2043. The structure is 123 ft (37.5 m) long and 31 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesSR 393
CrossesNanih Waiya Creek
LocationNeshoba/Winston Cl
RouteState Highway 393
CountyWinston County
StateMississippi
Coordinates32.9196, -88.94871
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.7 US tons
Inventory rating30.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length123 ft (37.5 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2023)
Projected traffic280 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 393 over Nanih Waiya Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is SR 393 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 393 over Nanih Waiya Creek carry?

About 280 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 393 over Nanih Waiya Creek?

The structure is 123 ft (37.5 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns SR 393 over Nanih Waiya Creek?

It is owned by the State Highway Agency.