US Bridges

SR 550 over Bogue Chitto River

Good

Lincoln County, Mississippi · 1.8 MI W US 51 · Structure no. 310055004302140

Built
2013
12 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
162 ft
1 main span
Daily traffic
4,700
2023 count
Owner
State
State Highway Agency

About this bridge

SR 550 over Bogue Chitto River is a prestressed concrete stringer/multi-beam or girder carrying SR 550 over Bogue Chitto River in Lincoln County, Mississippi. It was built in 2013, so it is 12 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,700 vehicles a day, roughly 11% of them trucks, projected to reach 4,800 by 2043. The structure is 162 ft (49.3 m) long and 47 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesSR 550
CrossesBogue Chitto River
Location1.8 MI W US 51
RouteState Highway 550
Coordinates31.59411, -90.48366
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.7 US tons
Inventory rating37.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHL 93
Structure length162 ft (49.3 m)
Longest span80 ft (24.4 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2023)
Projected traffic4,800 by 2043
Trucks11%
Lanes on structure20
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 550 over Bogue Chitto River built?

It was built in 2013, making it 12 years old in 2025.

What condition is SR 550 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 February 2025.

How much traffic does SR 550 over Bogue Chitto River carry?

About 4,700 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 550 over Bogue Chitto River?

The structure is 162 ft (49.3 m) long with a longest span of 80 ft (24.4 m) and a deck 47 ft wide.

Who owns SR 550 over Bogue Chitto River?

It is owned by the State Highway Agency.