US Bridges

I 20/I 59 over KCS RR

Fair

Lauderdale County, Mississippi · 0.9 MI E US 11 · Structure no. 110005903815120

Built
1973
52 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
573 ft
9 main spans
Daily traffic
48,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 20/I 59 over KCS RR is a prestressed concrete stringer/multi-beam or girder carrying I 20/I 59 over KCS RR in Lauderdale County, Mississippi. It was built in 1973, so it is 52 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 48,000 vehicles a day, roughly 30% of them trucks, projected to reach 62,000 by 2043. The structure is 573 ft (174.7 m) long and 99 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 20/I 59
CrossesKCS RR
Location0.9 MI E US 11
RouteInterstate 59
Coordinates32.34901, -88.72029
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.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.8 US tons
Inventory rating33.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20 + Mod
Structure length573 ft (174.7 m)
Longest span88 ft (26.8 m)
Deck width99 ft (30.1 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,000 (2023)
Projected traffic62,000 by 2043
Trucks30%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 20/I 59 over KCS RR built?

It was built in 1973, making it 52 years old in 2025.

What condition is I 20/I 59 over KCS RR 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 20/I 59 over KCS RR carry?

About 48,000 vehicles per day (2023 count), of which roughly 30% are trucks.

How long is I 20/I 59 over KCS RR?

The structure is 573 ft (174.7 m) long with a longest span of 88 ft (26.8 m) and a deck 99 ft wide.

Who owns I 20/I 59 over KCS RR?

It is owned by the State Highway Agency.