US Bridges

SR 30 over KCS RR

Good

Prentiss County, Mississippi · 0.4 MI E SR 145 · Structure no. 310003005906540

Built
2010
15 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
256 ft
1 main span
Daily traffic
3,300
2023 count
Owner
State
State Highway Agency

About this bridge

SR 30 over KCS RR is a prestressed concrete stringer/multi-beam or girder carrying SR 30 over KCS RR in Prentiss County, Mississippi. It was built in 2010, so it is 15 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 8 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 19% of them trucks, projected to reach 3,300 by 2043. The structure is 256 ft (78.1 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 30
CrossesKCS RR
Location0.4 MI E SR 145
RouteState Highway 30
Coordinates34.6227, -88.58605
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.4 US tons
Inventory rating26.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length256 ft (78.1 m)
Longest span114 ft (34.7 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2023)
Projected traffic3,300 by 2043
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 30 over KCS RR built?

It was built in 2010, making it 15 years old in 2025.

What condition is SR 30 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 October 2023.

How much traffic does SR 30 over KCS RR carry?

About 3,300 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is SR 30 over KCS RR?

The structure is 256 ft (78.1 m) long with a longest span of 114 ft (34.7 m) and a deck 47 ft wide.

Who owns SR 30 over KCS RR?

It is owned by the State Highway Agency.