US Bridges

SR 7 over Relief Opening

Fair

Lafayette County, Mississippi · 8.4 MI N Yalobusha Cl · Structure no. 310000703611190

Built
1958
67 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
5 main spans
Daily traffic
12,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 7 over Relief Opening is a prestressed concrete stringer/multi-beam or girder carrying SR 7 over Relief Opening in Lafayette County, Mississippi. It was built in 1958, so it is 67 years old, older 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 12,000 vehicles a day, roughly 5% of them trucks, projected to reach 16,000 by 2043. The structure is 200 ft (61 m) long and 30 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesSR 7
CrossesRelief Opening
Location8.4 MI N Yalobusha Cl
RouteState Highway 7
CountyLafayette County
StateMississippi
Coordinates34.26555, -89.52231
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 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 rating77.8 US tons
Inventory rating47.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length200 ft (61 m)
Longest span40 ft (12.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2023)
Projected traffic16,000 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$252 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 7 over Relief Opening built?

It was built in 1958, making it 67 years old in 2025.

What condition is SR 7 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 August 2024.

How much traffic does SR 7 over Relief Opening carry?

About 12,000 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR 7 over Relief Opening?

The structure is 200 ft (61 m) long with a longest span of 40 ft (12.2 m) and a deck 30 ft wide.

Who owns SR 7 over Relief Opening?

It is owned by the State Highway Agency.