US Bridges

I 20 South Frt RD over Cnic RR

Good

Hinds County, Mississippi · 0.2 MI E JCT I-55 · Structure no. 18000200250452D

Built
1966
59 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
313 ft
5 main spans
Daily traffic
2,400
2023 count
Owner
State
State Highway Agency

About this bridge

I 20 South Frt RD over Cnic RR is a prestressed concrete stringer/multi-beam or girder carrying I 20 South Frt RD over Cnic RR 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 2,400 vehicles a day, roughly 6% of them trucks, projected to reach 3,000 by 2043. The structure is 313 ft (95.4 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 20 South Frt RD
CrossesCnic RR
Location0.2 MI E JCT I-55
Coordinates32.27477, -90.20593
Functional classUrban Local

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.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.6 US tons
Inventory rating26 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 15
Structure length313 ft (95.4 m)
Longest span70 ft (21.3 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2023)
Projected traffic3,000 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$538 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 20 South Frt RD over Cnic RR built?

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

What condition is I 20 South Frt RD over Cnic RR 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 South Frt RD over Cnic RR carry?

About 2,400 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is I 20 South Frt RD over Cnic RR?

The structure is 313 ft (95.4 m) long with a longest span of 70 ft (21.3 m) and a deck 31 ft wide.

Who owns I 20 South Frt RD over Cnic RR?

It is owned by the State Highway Agency.