US Bridges

I 20 over KCS RR

Fair

Newton County, Mississippi · 0.7 MI W US 80 · Structure no. 11000200511005B

Built
1966
59 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
183 ft
3 main spans
Daily traffic
10,500
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 Newton County, Mississippi. It was built in 1966, so it is 59 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 10,500 vehicles a day, roughly 46% of them trucks, projected to reach 10,500 by 2043. The structure is 183 ft (55.8 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 20
CrossesKCS RR
Location0.7 MI W US 80
RouteInterstate 20
Coordinates32.32887, -89.29684
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.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.9 US tons
Inventory rating43.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length183 ft (55.8 m)
Longest span60 ft (18.3 m)
Deck width42 ft (12.7 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,500 (2023)
Projected traffic10,500 by 2043
Trucks46%
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 20 over KCS RR built?

It was built in 1966, making it 59 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 February 2023.

How much traffic does I 20 over KCS RR carry?

About 10,500 vehicles per day (2023 count), of which roughly 46% are trucks.

How long is I 20 over KCS RR?

The structure is 183 ft (55.8 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.