US Bridges

SR 7 over Sisk Avenue

Good

Lafayette County, Mississippi · 2.0 MI N SR 6 · Structure no. 31000070361201B

Built
1967
58 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
155 ft
1 main span
Daily traffic
15,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 7 over Sisk Avenue is a prestressed concrete stringer/multi-beam or girder carrying SR 7 over Sisk Avenue in Lafayette County, Mississippi. It was built in 1967, so it is 58 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 15,000 vehicles a day, roughly 4% of them trucks, projected to reach 15,000 by 2043. The structure is 155 ft (47.2 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 7
CrossesSisk Avenue
Location2.0 MI N SR 6
RouteState Highway 7
CountyLafayette County
StateMississippi
Coordinates34.37294, -89.50088
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating33.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span63 ft (19.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2023)
Projected traffic15,000 by 2043
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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$208 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 7 over Sisk Avenue built?

It was built in 1967, making it 58 years old in 2025.

What condition is SR 7 over Sisk Avenue 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 July 2024.

How much traffic does SR 7 over Sisk Avenue carry?

About 15,000 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SR 7 over Sisk Avenue?

The structure is 155 ft (47.2 m) long with a longest span of 63 ft (19.2 m) and a deck 30 ft wide.

Who owns SR 7 over Sisk Avenue?

It is owned by the State Highway Agency.