US Bridges

SR 617 over CSX RR

Fair

Jackson County, Mississippi · 0.3 MI S US 90 · Structure no. 860000003000090

Built
1972
53 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,001 ft
13 main spans
Daily traffic
20,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 617 over CSX RR is a prestressed concrete stringer/multi-beam or girder carrying SR 617 over CSX RR in Jackson County, Mississippi. It was built in 1972, so it is 53 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 6 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 20,000 vehicles a day, roughly 6% of them trucks, projected to reach 20,000 by 2043. The structure is 1,001 ft (305.1 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 617
CrossesCSX RR
Location0.3 MI S US 90
RouteState Highway 617
CountyJackson County
StateMississippi
Coordinates30.36857, -88.57099
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
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 rating97.3 US tons
Inventory rating58.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans13
Design loadHS 20
Structure length1,001 ft (305.1 m)
Longest span77 ft (23.5 m)
Deck width70 ft (21.3 m)
Roadway width67 ft (20.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,000 (2023)
Projected traffic20,000 by 2043
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 617 over CSX RR built?

It was built in 1972, making it 53 years old in 2025.

What condition is SR 617 over CSX 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 August 2023.

How much traffic does SR 617 over CSX RR carry?

About 20,000 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is SR 617 over CSX RR?

The structure is 1,001 ft (305.1 m) long with a longest span of 77 ft (23.5 m) and a deck 70 ft wide.

Who owns SR 617 over CSX RR?

It is owned by the State Highway Agency.