US Bridges

SR 35 over Relief

Good

Marion County, Mississippi · 7.8 MI N LA State Line · Structure no. 310003504600780

Built
1957
68 years old
Condition
Good
inspected December 2023
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
2,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 35 over Relief is a concrete slab carrying SR 35 over Relief in Marion County, Mississippi. It was built in 1957, so it is 68 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 2,000 vehicles a day, roughly 27% of them trucks, projected to reach 2,000 by 2043. The structure is 100 ft (30.5 m) long and 31 ft wide. If it were closed, the detour would be 29.2 mi (47 km).

CarriesSR 35
CrossesRelief
Location7.8 MI N LA State Line
RouteState Highway 35
Coordinates31.10886, -89.83186
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.9 US tons
Inventory rating42.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2023)
Projected traffic2,000 by 2043
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed29.2 mi (47 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$238 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 35 over Relief built?

It was built in 1957, making it 68 years old in 2025.

What condition is SR 35 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 35 over Relief carry?

About 2,000 vehicles per day (2023 count), of which roughly 27% are trucks.

How long is SR 35 over Relief?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns SR 35 over Relief?

It is owned by the State Highway Agency.