US Bridges

SR 7 over Black Creek Relief

FairPosted for load

Grenada County, Mississippi · 2.4 MI N Carroll Cl · Structure no. 310000702205300

Built
1954
71 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
210 ft
1 main span
Daily traffic
3,200
2023 count
Owner
State
State Highway Agency

About this bridge

SR 7 over Black Creek Relief is a steel stringer/multi-beam or girder carrying SR 7 over Black Creek Relief in Grenada County, Mississippi. It was built in 1954, so it is 71 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 3,200 vehicles a day, roughly 10% of them trucks, projected to reach 3,500 by 2043. The structure is 210 ft (64 m) long and 28 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

CarriesSR 7
CrossesBlack Creek Relief
Location2.4 MI N Carroll Cl
RouteState Highway 7
Coordinates33.70647, -90.04472
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating25.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+5 approach)
Design loadHS 15
Structure length210 ft (64 m)
Longest span60 ft (18.3 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2023)
Projected traffic3,500 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed44.7 mi (72 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 7 over Black Creek Relief built?

It was built in 1954, making it 71 years old in 2025.

What condition is SR 7 over Black Creek Relief 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 April 2024.

How much traffic does SR 7 over Black Creek Relief carry?

About 3,200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SR 7 over Black Creek Relief?

The structure is 210 ft (64 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.

Who owns SR 7 over Black Creek Relief?

It is owned by the State Highway Agency.