US Bridges

I 59 over I 20 East

Fair

Lauderdale County, Mississippi · I 59 South over I 20 East · Structure no. 11000590381479A

Built
1965
60 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
457 ft
7 main spans
Daily traffic
15,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 59 over I 20 East is a concrete continuous box beam or girders - single or spread carrying I 59 over I 20 East in Lauderdale 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 5 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 15,000 vehicles a day, roughly 28% of them trucks, projected to reach 19,000 by 2043. The structure is 457 ft (139.3 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 59
CrossesI 20 East
LocationI 59 South over I 20 East
RouteInterstate 59
Coordinates32.34348, -88.76986
Functional classUrban 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
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.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating71.8 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length457 ft (139.3 m)
Longest span105 ft (32 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2023)
Projected traffic19,000 by 2043
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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$538 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 59 over I 20 East built?

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

What condition is I 59 over I 20 East 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 2024.

How much traffic does I 59 over I 20 East carry?

About 15,000 vehicles per day (2023 count), of which roughly 28% are trucks.

How long is I 59 over I 20 East?

The structure is 457 ft (139.3 m) long with a longest span of 105 ft (32 m) and a deck 33 ft wide.

Who owns I 59 over I 20 East?

It is owned by the State Highway Agency.