US Bridges

I 20 over KCS RR

Fair

Hinds County, Mississippi · 11.1 MI E SR 22 · Structure no. 110002002503160

Built
1971
54 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
605 ft
11 main spans
Daily traffic
17,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 20 over KCS RR is a prestressed concrete stringer/multi-beam or girder carrying I 20 over KCS RR in Hinds County, Mississippi. It was built in 1971, so it is 54 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 17,000 vehicles a day, roughly 27% of them trucks, projected to reach 17,000 by 2043. The structure is 605 ft (184.4 m) long and 42 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesI 20
CrossesKCS RR
Location11.1 MI E SR 22
RouteInterstate 20
Coordinates32.3554, -90.40536
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.5 US tons
Inventory rating54.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length605 ft (184.4 m)
Longest span60 ft (18.3 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,000 (2023)
Projected traffic17,000 by 2043
Trucks27%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 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 over KCS RR built?

It was built in 1971, making it 54 years old in 2025.

What condition is I 20 over KCS 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 2024.

How much traffic does I 20 over KCS RR carry?

About 17,000 vehicles per day (2023 count), of which roughly 27% are trucks.

How long is I 20 over KCS RR?

The structure is 605 ft (184.4 m) long with a longest span of 60 ft (18.3 m) and a deck 42 ft wide.

Who owns I 20 over KCS RR?

It is owned by the State Highway Agency.