US Bridges

South Desoto ST over Relief

Good

Jackson County, Mississippi · Sec 5 T 8S R 6W · Structure no. SA300000000A144

Built
2016
9 years old
Condition
Good
inspected February 2025
Type
Channel Beam
Concrete
Length
40 ft
1 main span
Daily traffic
1,700
2025 count
Owner
City
City or Municipal Highway Agency

About this bridge

South Desoto ST over Relief is a concrete channel beam carrying South Desoto ST over Relief in Jackson County, Mississippi. It was built in 2016, so it is 9 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 1,700 vehicles a day, roughly 10% of them trucks, projected to reach 2,500 by 2045. The structure is 40 ft (12.2 m) long and 315 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSouth Desoto ST
CrossesRelief
LocationSec 5 T 8S R 6W
RouteCity Street 271
Coordinates30.3558, -88.55979
Functional classUrban Local

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 inspectionFebruary 2025
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating55.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width315 ft (96 m)
Roadway width299 ft (91 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2025)
Projected traffic2,500 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 South Desoto ST over Relief built?

It was built in 2016, making it 9 years old in 2025.

What condition is South Desoto ST 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 February 2025.

How much traffic does South Desoto ST over Relief carry?

About 1,700 vehicles per day (2025 count), of which roughly 10% are trucks.

How long is South Desoto ST over Relief?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 315 ft wide.

Who owns South Desoto ST over Relief?

It is owned by the City or Municipal Highway Agency.