US Bridges

I 10 Ramp over KCS RR

Good

Harrison County, Mississippi · At JCT of US 49 I 10 · Structure no. 17000100240355D

Built
1969
56 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
152 ft
3 main spans
Daily traffic
4,600
2023 count
Owner
State
State Highway Agency

About this bridge

I 10 Ramp over KCS RR is a prestressed concrete stringer/multi-beam or girder carrying I 10 Ramp over KCS RR in Harrison County, Mississippi. It was built in 1969, so it is 56 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 18% of them trucks, projected to reach 4,600 by 2043. The structure is 152 ft (46.3 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI 10 Ramp
CrossesKCS RR
LocationAt JCT of US 49 I 10
RouteInterstate 10
CountyHarrison County
StateMississippi
Coordinates30.43115, -89.0964
Functional classUrban Principal Arterial - Interstate

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.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.7 US tons
Inventory rating43.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length152 ft (46.3 m)
Longest span50 ft (15.2 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,600 (2023)
Projected traffic4,600 by 2043
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 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$321 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 10 Ramp over KCS RR built?

It was built in 1969, making it 56 years old in 2025.

What condition is I 10 Ramp over KCS RR 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 2023.

How much traffic does I 10 Ramp over KCS RR carry?

About 4,600 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is I 10 Ramp over KCS RR?

The structure is 152 ft (46.3 m) long with a longest span of 50 ft (15.2 m) and a deck 32 ft wide.

Who owns I 10 Ramp over KCS RR?

It is owned by the State Highway Agency.