US Bridges

Weir-Stewart RD over Bywy Canal

Good

Choctaw County, Mississippi · Sec 14 T18N R 8E B · Structure no. SA1000000000048

Built
1994
31 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
5 main spans
Daily traffic
280
2021 count
Owner
County
County Highway Agency

About this bridge

Weir-Stewart RD over Bywy Canal is a prestressed concrete stringer/multi-beam or girder carrying Weir-Stewart RD over Bywy Canal in Choctaw County, Mississippi. It was built in 1994, so it is 31 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 280 vehicles a day, roughly 8% of them trucks, projected to reach 420 by 2041. The structure is 240 ft (73.2 m) long and 31 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesWeir-Stewart RD
CrossesBywy Canal
LocationSec 14 T18N R 8E B
RouteCounty Highway 1730
Coordinates33.42497, -89.43652
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
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 rating76.7 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span80 ft (24.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2021)
Projected traffic420 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 Weir-Stewart RD over Bywy Canal built?

It was built in 1994, making it 31 years old in 2025.

What condition is Weir-Stewart RD over Bywy Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does Weir-Stewart RD over Bywy Canal carry?

About 280 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Weir-Stewart RD over Bywy Canal?

The structure is 240 ft (73.2 m) long with a longest span of 80 ft (24.4 m) and a deck 31 ft wide.

Who owns Weir-Stewart RD over Bywy Canal?

It is owned by the County Highway Agency.