US Bridges

I 20 over Cnic RR Ramp

Fair

Hinds County, Mississippi · 0.1 MI W Rankin Cl · Structure no. 11000200250462B

Built
1966
59 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
722 ft
11 main spans
Daily traffic
59,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 20 over Cnic RR Ramp is a prestressed concrete stringer/multi-beam or girder carrying I 20 over Cnic RR Ramp in Hinds 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 59,000 vehicles a day, roughly 16% of them trucks, projected to reach 64,500 by 2043. The structure is 722 ft (220.1 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 20
CrossesCnic RR Ramp
Location0.1 MI W Rankin Cl
RouteInterstate 20
CountyHinds County
StateMississippi
Coordinates32.27677, -90.18751
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.5 US tons
Inventory rating35.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20 + Mod
Structure length722 ft (220.1 m)
Longest span70 ft (21.3 m)
Deck width57 ft (17.3 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59,000 (2023)
Projected traffic64,500 by 2043
Trucks16%
Lanes on structure4
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$975 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 20 over Cnic RR Ramp built?

It was built in 1966, making it 59 years old in 2025.

What condition is I 20 over Cnic RR Ramp 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 Cnic RR Ramp carry?

About 59,000 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is I 20 over Cnic RR Ramp?

The structure is 722 ft (220.1 m) long with a longest span of 70 ft (21.3 m) and a deck 57 ft wide.

Who owns I 20 over Cnic RR Ramp?

It is owned by the State Highway Agency.