US Bridges

SR 590 over Leaf River

Fair

Jones County, Mississippi · 5.1 MI E Covington Cl · Structure no. 310059003401310

Built
1965
60 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
870 ft
3 main spans
Daily traffic
1,300
2023 count
Owner
State
State Highway Agency

About this bridge

SR 590 over Leaf River is a steel continuous stringer/multi-beam or girder carrying SR 590 over Leaf River in Jones County, Mississippi. It was built in 1965, so it is 60 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 1,300 vehicles a day, roughly 14% of them trucks, projected to reach 1,300 by 2043. The structure is 870 ft (265.2 m) long and 29 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

CarriesSR 590
CrossesLeaf River
Location5.1 MI E Covington Cl
RouteState Highway 590
Coordinates31.5535, -89.31612
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.2 US tons
Inventory rating29.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+14 approach)
Design loadH 15
Structure length870 ft (265.2 m)
Longest span120 ft (36.6 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2023)
Projected traffic1,300 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$1,000 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 590 over Leaf River built?

It was built in 1965, making it 60 years old in 2025.

What condition is SR 590 over Leaf 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 January 2024.

How much traffic does SR 590 over Leaf River carry?

About 1,300 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 590 over Leaf River?

The structure is 870 ft (265.2 m) long with a longest span of 120 ft (36.6 m) and a deck 29 ft wide.

Who owns SR 590 over Leaf River?

It is owned by the State Highway Agency.