US Bridges

SR 587 over Unnamed Stream

Good

Lawrence County, Mississippi · 0.2 MI S SR 184 · Structure no. 310058703903030

Built
1980
45 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
43 ft
2 main spans
Daily traffic
610
2023 count
Owner
State
State Highway Agency

About this bridge

SR 587 over Unnamed Stream is a concrete culvert carrying SR 587 over Unnamed Stream in Lawrence County, Mississippi. It was built in 1980, so it is 45 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 610 vehicles a day, roughly 11% of them trucks, projected to reach 610 by 2043. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 587
CrossesUnnamed Stream
Location0.2 MI S SR 184
RouteState Highway 587
Coordinates31.55185, -90.1045
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.7 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic610 (2023)
Projected traffic610 by 2043
Trucks11%
Lanes on structure20
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 587 over Unnamed Stream built?

It was built in 1980, making it 45 years old in 2025.

What condition is SR 587 over Unnamed Stream 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 September 2024.

How much traffic does SR 587 over Unnamed Stream carry?

About 610 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 587 over Unnamed Stream?

The structure is 43 ft (13.1 m) long with a longest span of 20 ft (6.1 m).

Who owns SR 587 over Unnamed Stream?

It is owned by the State Highway Agency.