US Bridges

SR 586 over Darbun Creek

Good

Walthall County, Mississippi · 0.3 MI E SR 585 · Structure no. 310058607400030

Built
2002
23 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
159 ft
4 main spans
Daily traffic
1,900
2023 count
Owner
State
State Highway Agency

About this bridge

SR 586 over Darbun Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 586 over Darbun Creek in Walthall County, Mississippi. It was built in 2002, so it is 23 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 1,900 vehicles a day, roughly 11% of them trucks, projected to reach 1,900 by 2043. The structure is 159 ft (48.5 m) long and 42 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesSR 586
CrossesDarbun Creek
Location0.3 MI E SR 585
RouteState Highway 586
Coordinates31.27519, -90.04591
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 inspectionAugust 2024
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 rating69.2 US tons
Inventory rating41.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length159 ft (48.5 m)
Longest span39 ft (12 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2023)
Projected traffic1,900 by 2043
Trucks11%
Lanes on structure20
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 Darbun Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is SR 586 over Darbun 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 August 2024.

How much traffic does SR 586 over Darbun Creek carry?

About 1,900 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 586 over Darbun Creek?

The structure is 159 ft (48.5 m) long with a longest span of 39 ft (12 m) and a deck 42 ft wide.

Who owns SR 586 over Darbun Creek?

It is owned by the State Highway Agency.