US Bridges

SR 322 over Big Sunflower River Trib

Good

Coahoma County, Mississippi · 0.8 MI E US 49 · Structure no. 310032201401250

Built
1987
38 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
122 ft
3 main spans
Daily traffic
970
2023 count
Owner
State
State Highway Agency

About this bridge

SR 322 over Big Sunflower River Trib is a prestressed concrete stringer/multi-beam or girder carrying SR 322 over Big Sunflower River Trib in Coahoma County, Mississippi. It was built in 1987, so it is 38 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 970 vehicles a day, roughly 11% of them trucks, projected to reach 970 by 2043. The structure is 122 ft (37.2 m) long and 33 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesSR 322
CrossesBig Sunflower River Trib
Location0.8 MI E US 49
RouteState Highway 322
Coordinates34.16092, -90.53033
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 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 rating52.5 US tons
Inventory rating45.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span40 ft (12.2 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic970 (2023)
Projected traffic970 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 322 over Big Sunflower River Trib built?

It was built in 1987, making it 38 years old in 2025.

What condition is SR 322 over Big Sunflower River Trib 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 April 2024.

How much traffic does SR 322 over Big Sunflower River Trib carry?

About 970 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 322 over Big Sunflower River Trib?

The structure is 122 ft (37.2 m) long with a longest span of 40 ft (12.2 m) and a deck 33 ft wide.

Who owns SR 322 over Big Sunflower River Trib?

It is owned by the State Highway Agency.