US Bridges

SR 15 over Bywy Canal

Fair

Choctaw County, Mississippi · 6.2 MI S Webster Cl · Structure no. 310001501021760

Built
1972
53 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
173 ft
1 main span
Daily traffic
1,700
2023 count
Owner
State
State Highway Agency

About this bridge

SR 15 over Bywy Canal is a prestressed concrete stringer/multi-beam or girder carrying SR 15 over Bywy Canal in Choctaw County, Mississippi. It was built in 1972, so it is 53 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 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 1,700 vehicles a day, roughly 21% of them trucks, projected to reach 1,700 by 2043. The structure is 173 ft (52.6 m) long and 42 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesSR 15
CrossesBywy Canal
Location6.2 MI S Webster Cl
RouteState Highway 15
CountyChoctaw County
StateMississippi
Coordinates33.44128, -89.15174
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.8 US tons
Inventory rating35.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length173 ft (52.6 m)
Longest span70 ft (21.3 m)
Deck width42 ft (12.7 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2023)
Projected traffic1,700 by 2043
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 15 over Bywy Canal built?

It was built in 1972, making it 53 years old in 2025.

What condition is SR 15 over Bywy Canal 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 January 2024.

How much traffic does SR 15 over Bywy Canal carry?

About 1,700 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is SR 15 over Bywy Canal?

The structure is 173 ft (52.6 m) long with a longest span of 70 ft (21.3 m) and a deck 42 ft wide.

Who owns SR 15 over Bywy Canal?

It is owned by the State Highway Agency.