US Bridges

I 20/I 59 over US 11 Norfolk S RR

Fair

Lauderdale County, Mississippi · I20/I59 over US 11 South · Structure no. 110005903815030

Built
1974
51 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
312 ft
1 main span
Daily traffic
49,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 20/I 59 over US 11 Norfolk S RR is a prestressed concrete stringer/multi-beam or girder carrying I 20/I 59 over US 11 Norfolk S RR in Lauderdale County, Mississippi. It was built in 1974, so it is 51 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 49,000 vehicles a day, roughly 35% of them trucks, projected to reach 63,000 by 2043. The structure is 312 ft (95.1 m) long and 106 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 20/I 59
CrossesUS 11 Norfolk S RR
LocationI20/I59 over US 11 South
RouteInterstate 59
CountyLauderdale County
StateMississippi
Coordinates32.34965, -88.7353
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.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.9 US tons
Inventory rating37.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+3 approach)
Design loadHS 20 + Mod
Structure length312 ft (95.1 m)
Longest span110 ft (33.5 m)
Deck width106 ft (32.2 m)
Roadway width100 ft (30.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49,000 (2023)
Projected traffic63,000 by 2043
Trucks35%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 20/I 59 over US 11 Norfolk S RR built?

It was built in 1974, making it 51 years old in 2025.

What condition is I 20/I 59 over US 11 Norfolk S 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 May 2023.

How much traffic does I 20/I 59 over US 11 Norfolk S RR carry?

About 49,000 vehicles per day (2023 count), of which roughly 35% are trucks.

How long is I 20/I 59 over US 11 Norfolk S RR?

The structure is 312 ft (95.1 m) long with a longest span of 110 ft (33.5 m) and a deck 106 ft wide.

Who owns I 20/I 59 over US 11 Norfolk S RR?

It is owned by the State Highway Agency.