US Bridges

I 55 over Carrollton Road

Fair

Grenada County, Mississippi · 4.2 MI S SR 7 · Structure no. 11000550222016A

Built
1964
61 years old, rebuilt 1991
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
215 ft
3 main spans
Daily traffic
7,500
2023 count
Owner
State
State Highway Agency

About this bridge

I 55 over Carrollton Road is a prestressed concrete continuous stringer/multi-beam or girder carrying I 55 over Carrollton Road in Grenada County, Mississippi. It was built in 1964 and reconstructed in 1991, so it is 61 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 7,500 vehicles a day, roughly 32% of them trucks, projected to reach 9,000 by 2043. The structure is 215 ft (65.5 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 55
CrossesCarrollton Road
Location4.2 MI S SR 7
RouteInterstate 55
Coordinates33.72774, -89.83178
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.3 US tons
Inventory rating42.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length215 ft (65.5 m)
Longest span70 ft (21.3 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2023)
Projected traffic9,000 by 2043
Trucks32%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 55 over Carrollton Road built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1991.

What condition is I 55 over Carrollton Road 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 November 2023.

How much traffic does I 55 over Carrollton Road carry?

About 7,500 vehicles per day (2023 count), of which roughly 32% are trucks.

How long is I 55 over Carrollton Road?

The structure is 215 ft (65.5 m) long with a longest span of 70 ft (21.3 m) and a deck 45 ft wide.

Who owns I 55 over Carrollton Road?

It is owned by the State Highway Agency.