US Bridges

SR 7 over Mississippi Central RR

Fair

Lafayette County, Mississippi · 7.5 MI N SR 30 · Structure no. 310000703612840

Built
1983
42 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
264 ft
3 main spans
Daily traffic
8,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 7 over Mississippi Central RR is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 7 over Mississippi Central RR in Lafayette County, Mississippi. It was built in 1983, so it is 42 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.

It carries about 8,000 vehicles a day, roughly 6% of them trucks, projected to reach 11,000 by 2043. The structure is 264 ft (80.5 m) long and 43 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesSR 7
CrossesMississippi Central RR
Location7.5 MI N SR 30
RouteState Highway 7
CountyLafayette County
StateMississippi
Coordinates34.49045, -89.51155
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.3 US tons
Inventory rating28.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length264 ft (80.5 m)
Longest span60 ft (18.3 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,000 (2023)
Projected traffic11,000 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed49.7 mi (80 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 with deck rehabilitation or replacement
Estimated improvement cost$754 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 7 over Mississippi Central RR built?

It was built in 1983, making it 42 years old in 2025.

What condition is SR 7 over Mississippi Central RR 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 July 2024.

How much traffic does SR 7 over Mississippi Central RR carry?

About 8,000 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is SR 7 over Mississippi Central RR?

The structure is 264 ft (80.5 m) long with a longest span of 60 ft (18.3 m) and a deck 43 ft wide.

Who owns SR 7 over Mississippi Central RR?

It is owned by the State Highway Agency.