US Bridges

SR 330 over Relief

Good

Calhoun County, Mississippi · 5.8 MI E Yalobusha Cl · Structure no. 310033000703360

Built
1964
61 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete
Length
160 ft
8 main spans
Daily traffic
1,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 330 over Relief is a concrete slab carrying SR 330 over Relief in Calhoun County, Mississippi. It was built in 1964, so it is 61 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 1,000 vehicles a day, roughly 14% of them trucks, projected to reach 1,000 by 2043. The structure is 160 ft (48.8 m) long and 26 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesSR 330
CrossesRelief
Location5.8 MI E Yalobusha Cl
RouteState Highway 330
Coordinates33.98678, -89.42516
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.8 US tons
Inventory rating33.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadH 15
Structure length160 ft (48.8 m)
Longest span20 ft (6.1 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2023)
Projected traffic1,000 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed34.8 mi (56 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$192 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 330 over Relief built?

It was built in 1964, making it 61 years old in 2025.

What condition is SR 330 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 June 2024.

How much traffic does SR 330 over Relief carry?

About 1,000 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 330 over Relief?

The structure is 160 ft (48.8 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns SR 330 over Relief?

It is owned by the State Highway Agency.