US Bridges

I 59 over Leaf River

Fair

Jones County, Mississippi · 4.8 MI N Forrest Cl · Structure no. 11000590340774A

Built
1960
65 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
680 ft
3 main spans
Daily traffic
16,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 59 over Leaf River is a steel continuous stringer/multi-beam or girder carrying I 59 over Leaf River in Jones County, Mississippi. It was built in 1960, so it is 65 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 16,000 vehicles a day, roughly 22% of them trucks, projected to reach 22,500 by 2043. The structure is 680 ft (207.3 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 59
CrossesLeaf River
Location4.8 MI N Forrest Cl
RouteInterstate 59
CountyJones County
StateMississippi
Coordinates31.50098, -89.30811
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating36.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+9 approach)
Design loadHS 20 + Mod
Structure length680 ft (207.3 m)
Longest span120 ft (36.6 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,000 (2023)
Projected traffic22,500 by 2043
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$844 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I 59 over Leaf River built?

It was built in 1960, making it 65 years old in 2025.

What condition is I 59 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 2023.

How much traffic does I 59 over Leaf River carry?

About 16,000 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is I 59 over Leaf River?

The structure is 680 ft (207.3 m) long with a longest span of 120 ft (36.6 m) and a deck 33 ft wide.

Who owns I 59 over Leaf River?

It is owned by the State Highway Agency.