US Bridges

SR 15 over Relief

Good

Jones County, Mississippi · 0.3 MI S I 59 · Structure no. 310001503408040

Built
1983
42 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
122 ft
3 main spans
Daily traffic
9,500
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 Jones County, Mississippi. It was built in 1983, so it is 42 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 9,500 vehicles a day, roughly 9% of them trucks, projected to reach 9,500 by 2043. The structure is 122 ft (37.2 m) long and 39 ft wide. If it were closed, the detour would be 90.1 mi (145 km).

CarriesSR 15
CrossesRelief
Location0.3 MI S I 59
RouteState Highway 15
Coordinates31.6822, -89.11858
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable 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 rating60.7 US tons
Inventory rating36.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span40 ft (12.2 m)
Deck width39 ft (12 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,500 (2023)
Projected traffic9,500 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed90.1 mi (145 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$240 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 15 over Relief built?

It was built in 1983, making it 42 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 January 2024.

How much traffic does SR 15 over Relief carry?

About 9,500 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is SR 15 over Relief?

The structure is 122 ft (37.2 m) long with a longest span of 40 ft (12.2 m) and a deck 39 ft wide.

Who owns SR 15 over Relief?

It is owned by the State Highway Agency.