US Bridges

I 20 over Cow Creek

Good

Lauderdale County, Mississippi · 3.9 MI E Newton Cl · Structure no. 11000200381268B

Built
1965
60 years old, rebuilt 2010
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
157 ft
3 main spans
Daily traffic
11,500
2023 count
Owner
State
State Highway Agency

About this bridge

I 20 over Cow Creek is a prestressed concrete stringer/multi-beam or girder carrying I 20 over Cow Creek in Lauderdale County, Mississippi. It was built in 1965 and reconstructed in 2010, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,500 vehicles a day, roughly 42% of them trucks, projected to reach 11,500 by 2043. The structure is 157 ft (47.9 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 20
CrossesCow Creek
Location3.9 MI E Newton Cl
RouteInterstate 20
Coordinates32.34835, -88.84838
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.7 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length157 ft (47.9 m)
Longest span52 ft (15.8 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,500 (2023)
Projected traffic11,500 by 2043
Trucks42%
Lanes on structure2
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$316 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I 20 over Cow Creek built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2010.

What condition is I 20 over Cow Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does I 20 over Cow Creek carry?

About 11,500 vehicles per day (2023 count), of which roughly 42% are trucks.

How long is I 20 over Cow Creek?

The structure is 157 ft (47.9 m) long with a longest span of 52 ft (15.8 m) and a deck 45 ft wide.

Who owns I 20 over Cow Creek?

It is owned by the State Highway Agency.