US Bridges

Weir-Stewart Road over Big Black River

FairPosted for load

Choctaw County, Mississippi · Sec 10 T18N R 8E B · Structure no. SA1000000000045

Built
1989
36 years old
Condition
Fair
inspected March 2023
Type
Channel Beam
Concrete
Length
494 ft
26 main spans
Daily traffic
280
2021 count
Owner
County
County Highway Agency

About this bridge

Weir-Stewart Road over Big Black River is a concrete channel beam carrying Weir-Stewart Road over Big Black River in Choctaw County, Mississippi. It was built in 1989, so it is 36 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 280 vehicles a day, roughly 8% of them trucks, projected to reach 420 by 2041. The structure is 494 ft (150.6 m) long and 24 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesWeir-Stewart Road
CrossesBig Black River
LocationSec 10 T18N R 8E B
RouteCounty Highway 1730
Coordinates33.43598, -89.43652
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26 US tons
Inventory rating15.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans26
Design loadH 15
Structure length494 ft (150.6 m)
Longest span19 ft (5.8 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (7 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
CrossesRelief for waterway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.5 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Weir-Stewart Road over Big Black River built?

It was built in 1989, making it 36 years old in 2025.

What condition is Weir-Stewart Road over Big Black River 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 March 2023.

How much traffic does Weir-Stewart Road over Big Black River carry?

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

How long is Weir-Stewart Road over Big Black River?

The structure is 494 ft (150.6 m) long with a longest span of 19 ft (5.8 m) and a deck 24 ft wide.

Who owns Weir-Stewart Road over Big Black River?

It is owned by the County Highway Agency.