US Bridges

SR 584 over Relief

Fair

Amite County, Mississippi · 7.1 MI E SR 24 · Structure no. 310058400300730

Built
1966
59 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
180 ft
9 main spans
Daily traffic
1,400
2023 count
Owner
State
State Highway Agency

About this bridge

SR 584 over Relief is a concrete slab carrying SR 584 over Relief in Amite 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,400 vehicles a day, roughly 11% of them trucks, projected to reach 1,400 by 2043. The structure is 180 ft (54.9 m) long and 27 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesSR 584
CrossesRelief
Location7.1 MI E SR 24
RouteState Highway 584
Coordinates31.09603, -90.71585
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.8 US tons
Inventory rating33.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadH 15
Structure length180 ft (54.9 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2023)
Projected traffic1,400 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed19.9 mi (32 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$267 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 584 over Relief built?

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

What condition is SR 584 over Relief in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does SR 584 over Relief carry?

About 1,400 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 584 over Relief?

The structure is 180 ft (54.9 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns SR 584 over Relief?

It is owned by the State Highway Agency.