US Bridges

SR 607 over I 59

Good

Pearl River County, Mississippi · SR 607 over I 59 · Structure no. 310060705501940

Built
1963
62 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
264 ft
2 main spans
Daily traffic
4,600
2023 count
Owner
State
State Highway Agency

About this bridge

SR 607 over I 59 is a prestressed concrete stringer/multi-beam or girder carrying SR 607 over I 59 in Pearl River County, Mississippi. It was built in 1963, so it is 62 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 4,600 vehicles a day, roughly 11% of them trucks, projected to reach 4,600 by 2043. The structure is 264 ft (80.5 m) long and 33 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesSR 607
CrossesI 59
LocationSR 607 over I 59
RouteState Highway 607
Coordinates30.46949, -89.68764
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating42.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length264 ft (80.5 m)
Longest span70 ft (21.3 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,600 (2023)
Projected traffic4,600 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed14.9 mi (24 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$436 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 607 over I 59 built?

It was built in 1963, making it 62 years old in 2025.

What condition is SR 607 over I 59 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 November 2024.

How much traffic does SR 607 over I 59 carry?

About 4,600 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 607 over I 59?

The structure is 264 ft (80.5 m) long with a longest span of 70 ft (21.3 m) and a deck 33 ft wide.

Who owns SR 607 over I 59?

It is owned by the State Highway Agency.