US Bridges

SR 322 over Harris Bayou

FairPosted for load

Coahoma County, Mississippi · 0.6 MI E SR 1 · Structure no. 310032201400060

Built
1952
73 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
150 ft
1 main span
Daily traffic
760
2023 count
Owner
State
State Highway Agency

About this bridge

SR 322 over Harris Bayou is a steel stringer/multi-beam or girder carrying SR 322 over Harris Bayou in Coahoma County, Mississippi. It was built in 1952, so it is 73 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 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 760 vehicles a day, roughly 14% of them trucks, projected to reach 760 by 2043. The structure is 150 ft (45.7 m) long and 28 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

Location

Open in Google Maps
CarriesSR 322
CrossesHarris Bayou
Location0.6 MI E SR 1
RouteState Highway 322
CountyCoahoma County
StateMississippi
Coordinates34.20921, -90.70042
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
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.3 US tons
Inventory rating22.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+3 approach)
Design loadHS 15
Structure length150 ft (45.7 m)
Longest span60 ft (18.3 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic760 (2023)
Projected traffic760 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$454 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 322 over Harris Bayou built?

It was built in 1952, making it 73 years old in 2025.

What condition is SR 322 over Harris Bayou 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 322 over Harris Bayou carry?

About 760 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 322 over Harris Bayou?

The structure is 150 ft (45.7 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.

Who owns SR 322 over Harris Bayou?

It is owned by the State Highway Agency.