US Bridges

SR 4 over SR 30

Good

Prentiss County, Mississippi · SR 4 over SR 30 · Structure no. 310000405914280

Built
2009
16 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
396 ft
4 main spans
Daily traffic
3,300
2023 count
Owner
State
State Highway Agency

About this bridge

SR 4 over SR 30 is a prestressed concrete stringer/multi-beam or girder carrying SR 4 over SR 30 in Prentiss County, Mississippi. It was built in 2009, so it is 16 years old, younger 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 3,300 vehicles a day, roughly 6% of them trucks, projected to reach 3,300 by 2043. The structure is 396 ft (120.8 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 4
CrossesSR 30
LocationSR 4 over SR 30
RouteState Highway 4
Coordinates34.6283, -88.5211
Functional classRural Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating30.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length396 ft (120.8 m)
Longest span109 ft (33.2 m)
Deck width59 ft (17.9 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2023)
Projected traffic3,300 by 2043
Trucks6%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 4 over SR 30 built?

It was built in 2009, making it 16 years old in 2025.

What condition is SR 4 over SR 30 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 February 2024.

How much traffic does SR 4 over SR 30 carry?

About 3,300 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is SR 4 over SR 30?

The structure is 396 ft (120.8 m) long with a longest span of 109 ft (33.2 m) and a deck 59 ft wide.

Who owns SR 4 over SR 30?

It is owned by the State Highway Agency.