US Bridges

SR 9 over Relief Opening

Fair

Calhoun County, Mississippi · 1.1 MI S SR 32 · Structure no. 310000900705130

Built
1995
30 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
201 ft
5 main spans
Daily traffic
8,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 9 over Relief Opening is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 9 over Relief Opening in Calhoun County, Mississippi. It was built in 1995, so it is 30 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 8,000 vehicles a day, roughly 14% of them trucks, projected to reach 8,000 by 2043. The structure is 201 ft (61.3 m) long and 47 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesSR 9
CrossesRelief Opening
Location1.1 MI S SR 32
RouteState Highway 9
CountyCalhoun County
StateMississippi
Coordinates33.97541, -89.34833
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating41.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length201 ft (61.3 m)
Longest span40 ft (12.2 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,000 (2023)
Projected traffic8,000 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 9 over Relief Opening built?

It was built in 1995, making it 30 years old in 2025.

What condition is SR 9 over Relief Opening in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does SR 9 over Relief Opening carry?

About 8,000 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 9 over Relief Opening?

The structure is 201 ft (61.3 m) long with a longest span of 40 ft (12.2 m) and a deck 47 ft wide.

Who owns SR 9 over Relief Opening?

It is owned by the State Highway Agency.