US Bridges

I 55 over C and G RR

Good

Montgomery County, Mississippi · 2.1 MI N US 82 · Structure no. 11000550491861A

Built
1965
60 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
5 main spans
Daily traffic
7,500
2023 count
Owner
State
State Highway Agency

About this bridge

I 55 over C and G RR is a prestressed concrete stringer/multi-beam or girder carrying I 55 over C and G RR in Montgomery County, Mississippi. It was built in 1965, so it is 60 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 7,500 vehicles a day, roughly 30% of them trucks, projected to reach 7,500 by 2043. The structure is 200 ft (61 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 55
CrossesC and G RR
Location2.1 MI N US 82
RouteInterstate 55
CountyMontgomery County
StateMississippi
Coordinates33.51619, -89.76835
Functional classRural 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.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.2 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length200 ft (61 m)
Longest span40 ft (12.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2023)
Projected traffic7,500 by 2043
Trucks30%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$210 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 55 over C and G RR built?

It was built in 1965, making it 60 years old in 2025.

What condition is I 55 over C and G 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 January 2024.

How much traffic does I 55 over C and G RR carry?

About 7,500 vehicles per day (2023 count), of which roughly 30% are trucks.

How long is I 55 over C and G RR?

The structure is 200 ft (61 m) long with a longest span of 40 ft (12.2 m) and a deck 30 ft wide.

Who owns I 55 over C and G RR?

It is owned by the State Highway Agency.