US Bridges

I 20/I 59 over Norfolk Southern RR

Fair

Lauderdale County, Mississippi · 11.1 MI N US 45 · Structure no. 11000590381681B

Built
1960
65 years old, rebuilt 2015
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
327 ft
1 main span
Daily traffic
13,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 20/I 59 over Norfolk Southern RR is a steel continuous stringer/multi-beam or girder carrying I 20/I 59 over Norfolk Southern RR in Lauderdale County, Mississippi. It was built in 1960 and reconstructed in 2015, 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 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 13,000 vehicles a day, roughly 43% of them trucks, projected to reach 13,000 by 2043. The structure is 327 ft (99.7 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 20/I 59
CrossesNorfolk Southern RR
Location11.1 MI N US 45
RouteInterstate 59
CountyLauderdale County
StateMississippi
Coordinates32.42152, -88.45494
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating60 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadHS 20 + Mod
Structure length327 ft (99.7 m)
Longest span84 ft (25.6 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2023)
Projected traffic13,000 by 2043
Trucks43%
Lanes on structure2
Traffic directionOne-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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$442 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 20/I 59 over Norfolk Southern RR built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2015.

What condition is I 20/I 59 over Norfolk Southern 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 July 2023.

How much traffic does I 20/I 59 over Norfolk Southern RR carry?

About 13,000 vehicles per day (2023 count), of which roughly 43% are trucks.

How long is I 20/I 59 over Norfolk Southern RR?

The structure is 327 ft (99.7 m) long with a longest span of 84 ft (25.6 m) and a deck 31 ft wide.

Who owns I 20/I 59 over Norfolk Southern RR?

It is owned by the State Highway Agency.