US Bridges

SR 487 over Relief

Good

Leake County, Mississippi · 1.2 MI N SR 500 · Structure no. 310048704000700

Built
2023
2 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
402 ft
5 main spans
Daily traffic
460
2023 count
Owner
State
State Highway Agency

About this bridge

SR 487 over Relief is a prestressed concrete stringer/multi-beam or girder carrying SR 487 over Relief in Leake County, Mississippi. It was built in 2023, so it is 2 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 460 vehicles a day, roughly 11% of them trucks, projected to reach 460 by 2043. The structure is 402 ft (122.6 m) long and 30 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesSR 487
CrossesRelief
Location1.2 MI N SR 500
RouteState Highway 487
Coordinates32.63617, -89.52511
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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.2 US tons
Inventory rating52.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length402 ft (122.6 m)
Longest span81 ft (24.7 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic460 (2023)
Projected traffic460 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed14.9 mi (24 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 487 over Relief built?

It was built in 2023, making it 2 years old in 2025.

What condition is SR 487 over Relief 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 December 2023.

How much traffic does SR 487 over Relief carry?

About 460 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 487 over Relief?

The structure is 402 ft (122.6 m) long with a longest span of 81 ft (24.7 m) and a deck 30 ft wide.

Who owns SR 487 over Relief?

It is owned by the State Highway Agency.