US Bridges

SR 15 over Relief

Good

Neshoba County, Mississippi · 2.4 MI N SR 19 · Structure no. 310001505017220

Built
1963
62 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
6 main spans
Daily traffic
5,200
2023 count
Owner
State
State Highway Agency

About this bridge

SR 15 over Relief is a prestressed concrete stringer/multi-beam or girder carrying SR 15 over Relief in Neshoba County, Mississippi. It was built in 1963, so it is 62 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 5,200 vehicles a day, roughly 14% of them trucks, projected to reach 5,200 by 2043. The structure is 240 ft (73.2 m) long and 30 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

CarriesSR 15
CrossesRelief
Location2.4 MI N SR 19
RouteState Highway 15
Coordinates32.83701, -89.09659
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
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 rating73.2 US tons
Inventory rating43.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span40 ft (12.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,200 (2023)
Projected traffic5,200 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed37.3 mi (60 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$709 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 15 over Relief built?

It was built in 1963, making it 62 years old in 2025.

What condition is SR 15 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 October 2023.

How much traffic does SR 15 over Relief carry?

About 5,200 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 15 over Relief?

The structure is 240 ft (73.2 m) long with a longest span of 40 ft (12.2 m) and a deck 30 ft wide.

Who owns SR 15 over Relief?

It is owned by the State Highway Agency.