US Bridges

I 20/I 59 over Toomsuba Creek

Fair

Lauderdale County, Mississippi · 7.6 MI N US 45 · Structure no. 11000590381646A

Built
1961
64 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
5 main spans
Daily traffic
18,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 20/I 59 over Toomsuba Creek is a prestressed concrete stringer/multi-beam or girder carrying I 20/I 59 over Toomsuba Creek in Lauderdale County, Mississippi. It was built in 1961, so it is 64 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 18,000 vehicles a day, roughly 33% of them trucks, projected to reach 18,000 by 2043. The structure is 200 ft (61 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 20/I 59
CrossesToomsuba Creek
Location7.6 MI N US 45
RouteInterstate 59
Coordinates32.41362, -88.50841
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating47.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length200 ft (61 m)
Longest span40 ft (12.2 m)
Deck width45 ft (13.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,000 (2023)
Projected traffic18,000 by 2043
Trucks33%
Lanes on structure3
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$348 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I 20/I 59 over Toomsuba Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is I 20/I 59 over Toomsuba Creek 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 Toomsuba Creek carry?

About 18,000 vehicles per day (2023 count), of which roughly 33% are trucks.

How long is I 20/I 59 over Toomsuba Creek?

The structure is 200 ft (61 m) long with a longest span of 40 ft (12.2 m) and a deck 45 ft wide.

Who owns I 20/I 59 over Toomsuba Creek?

It is owned by the State Highway Agency.