US Bridges

I 20 over KCS Rr/County Road

Poor

Rankin County, Mississippi · 0.2 MI W US 80 · Structure no. 11000200610568A

Built
1967
58 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
359 ft
2 main spans
Daily traffic
22,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 20 over KCS Rr/County Road is a prestressed concrete stringer/multi-beam or girder carrying I 20 over KCS Rr/County Road in Rankin County, Mississippi. It was built in 1967, so it is 58 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 22,000 vehicles a day, roughly 23% of them trucks, projected to reach 22,500 by 2043. The structure is 359 ft (109.4 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 20
CrossesKCS Rr/County Road
Location0.2 MI W US 80
RouteInterstate 20
Coordinates32.27837, -90.00525
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.2 US tons
Inventory rating31.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+5 approach)
Design loadHS 20
Structure length359 ft (109.4 m)
Longest span70 ft (21.3 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,000 (2023)
Projected traffic22,500 by 2043
Trucks23%
Lanes on structure2
Traffic directionOne-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 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 over KCS Rr/County Road built?

It was built in 1967, making it 58 years old in 2025.

What condition is I 20 over KCS Rr/County Road in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does I 20 over KCS Rr/County Road carry?

About 22,000 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is I 20 over KCS Rr/County Road?

The structure is 359 ft (109.4 m) long with a longest span of 70 ft (21.3 m) and a deck 33 ft wide.

Who owns I 20 over KCS Rr/County Road?

It is owned by the State Highway Agency.