US Bridges

I 55 over River Road

Fair

Panola County, Mississippi · 4.7 MI N SR 6 · Structure no. 11000550542480A

Built
1960
65 years old, rebuilt 2020
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
162 ft
3 main spans
Daily traffic
12,500
2023 count
Owner
State
State Highway Agency

About this bridge

I 55 over River Road is a concrete continuous box beam or girders - single or spread carrying I 55 over River Road in Panola County, Mississippi. It was built in 1960 and reconstructed in 2020, so it is 65 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 12,500 vehicles a day, roughly 26% of them trucks, projected to reach 15,000 by 2043. The structure is 162 ft (49.4 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
CrossesRiver Road
Location4.7 MI N SR 6
RouteInterstate 55
CountyPanola County
StateMississippi
Coordinates34.3768, -89.91019
Functional classRural 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating28 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length162 ft (49.4 m)
Longest span67 ft (20.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,500 (2023)
Projected traffic15,000 by 2043
Trucks26%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$175 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 55 over River Road built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2020.

What condition is I 55 over River 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 March 2024.

How much traffic does I 55 over River Road carry?

About 12,500 vehicles per day (2023 count), of which roughly 26% are trucks.

How long is I 55 over River Road?

The structure is 162 ft (49.4 m) long with a longest span of 67 ft (20.4 m) and a deck 30 ft wide.

Who owns I 55 over River Road?

It is owned by the State Highway Agency.