US Bridges

SR 586 over Richland Creek

Good

Marion County, Mississippi · 7.9 MI E Walthall Cl · Structure no. 310058604601260

Built
1984
41 years old
Condition
Good
inspected January 2024
Type
Channel Beam
Concrete
Length
124 ft
4 main spans
Daily traffic
2,100
2023 count
Owner
State
State Highway Agency

About this bridge

SR 586 over Richland Creek is a concrete channel beam carrying SR 586 over Richland Creek in Marion County, Mississippi. It was built in 1984, so it is 41 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 2,100 vehicles a day, roughly 11% of them trucks, projected to reach 2,100 by 2043. The structure is 124 ft (37.8 m) long and 37 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesSR 586
CrossesRichland Creek
Location7.9 MI E Walthall Cl
RouteState Highway 586
Coordinates31.23479, -89.92451
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.1 US tons
Inventory rating51.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length124 ft (37.8 m)
Longest span31 ft (9.4 m)
Deck width37 ft (11.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2023)
Projected traffic2,100 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 586 over Richland Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is SR 586 over Richland Creek 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 SR 586 over Richland Creek carry?

About 2,100 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 586 over Richland Creek?

The structure is 124 ft (37.8 m) long with a longest span of 31 ft (9.4 m) and a deck 37 ft wide.

Who owns SR 586 over Richland Creek?

It is owned by the State Highway Agency.