US Bridges

I 55 over Bogue Chitto River

Good

Lincoln County, Mississippi · 0.2 MI N US 84 · Structure no. 11000550430377B

Built
1966
59 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
360 ft
9 main spans
Daily traffic
10,500
2023 count
Owner
State
State Highway Agency

About this bridge

I 55 over Bogue Chitto River is a prestressed concrete stringer/multi-beam or girder carrying I 55 over Bogue Chitto River in Lincoln 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 10,500 vehicles a day, roughly 23% of them trucks, projected to reach 12,000 by 2043. The structure is 360 ft (109.7 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 55
CrossesBogue Chitto River
Location0.2 MI N US 84
RouteInterstate 55
CountyLincoln County
StateMississippi
Coordinates31.54589, -90.47967
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.8 US tons
Inventory rating48.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20 + Mod
Structure length360 ft (109.7 m)
Longest span40 ft (12.2 m)
Deck width45 ft (13.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,500 (2023)
Projected traffic12,000 by 2043
Trucks23%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I 55 over Bogue Chitto River built?

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

What condition is I 55 over Bogue Chitto River 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 2025.

How much traffic does I 55 over Bogue Chitto River carry?

About 10,500 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is I 55 over Bogue Chitto River?

The structure is 360 ft (109.7 m) long with a longest span of 40 ft (12.2 m) and a deck 45 ft wide.

Who owns I 55 over Bogue Chitto River?

It is owned by the State Highway Agency.