US Bridges

SR 589 over Black Creek Relief Ditch

Good

Lamar County, Mississippi · 5.1 MI S US 98 · Structure no. 310058903701060

Built
2016
9 years old
Condition
Good
inspected August 2024
Type
Channel Beam
Concrete
Length
310 ft
10 main spans
Daily traffic
2,300
2023 count
Owner
State
State Highway Agency

About this bridge

SR 589 over Black Creek Relief Ditch is a concrete channel beam carrying SR 589 over Black Creek Relief Ditch in Lamar County, Mississippi. It was built in 2016, so it is 9 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 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 2,300 vehicles a day, roughly 11% of them trucks, projected to reach 2,300 by 2043. The structure is 310 ft (94.5 m) long and 32 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesSR 589
CrossesBlack Creek Relief Ditch
Location5.1 MI S US 98
RouteState Highway 589
Coordinates31.24122, -89.45911
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.
Superstructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.1 US tons
Inventory rating48.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans10
Design loadHL 93
Structure length310 ft (94.5 m)
Longest span31 ft (9.4 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2023)
Projected traffic2,300 by 2043
Trucks11%
Lanes on structure20
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed16.2 mi (26 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 589 over Black Creek Relief Ditch built?

It was built in 2016, making it 9 years old in 2025.

What condition is SR 589 over Black Creek Relief Ditch 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 589 over Black Creek Relief Ditch carry?

About 2,300 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 589 over Black Creek Relief Ditch?

The structure is 310 ft (94.5 m) long with a longest span of 31 ft (9.4 m) and a deck 32 ft wide.

Who owns SR 589 over Black Creek Relief Ditch?

It is owned by the State Highway Agency.