US Bridges

I 20 over Cnic RR Ramp

Good

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

Built
1966
59 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
582 ft
10 main spans
Daily traffic
51,500
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 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 51,500 vehicles a day, roughly 16% of them trucks, projected to reach 53,500 by 2043. The structure is 582 ft (177.4 m) long and 45 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
Coordinates32.27741, -90.18546
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating31.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20 + Mod
Structure length582 ft (177.4 m)
Longest span70 ft (21.3 m)
Deck width45 ft (13.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51,500 (2023)
Projected traffic53,500 by 2043
Trucks16%
Lanes on structure3
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$1,000 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 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 August 2024.

How much traffic does I 20 over Cnic RR Ramp carry?

About 51,500 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is I 20 over Cnic RR Ramp?

The structure is 582 ft (177.4 m) long with a longest span of 70 ft (21.3 m) and a deck 45 ft wide.

Who owns I 20 over Cnic RR Ramp?

It is owned by the State Highway Agency.