US Bridges

SR 15 over KCS RR

Fair

Neshoba County, Mississippi · 3.9 MI N Newton Cl · Structure no. 310001505015550

Built
1981
44 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
192 ft
3 main spans
Daily traffic
4,500
2023 count
Owner
State
State Highway Agency

About this bridge

SR 15 over KCS RR is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 15 over KCS RR in Neshoba County, Mississippi. It was built in 1981, so it is 44 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 5 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 4,500 vehicles a day, roughly 13% of them trucks, projected to reach 4,500 by 2043. The structure is 192 ft (58.5 m) long and 41 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesSR 15
CrossesKCS RR
Location3.9 MI N Newton Cl
RouteState Highway 15
Coordinates32.62437, -89.13328
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.7 US tons
Inventory rating38.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length192 ft (58.5 m)
Longest span63 ft (19.2 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2023)
Projected traffic4,500 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed19.3 mi (31 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 15 over KCS RR built?

It was built in 1981, making it 44 years old in 2025.

What condition is SR 15 over KCS 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 September 2023.

How much traffic does SR 15 over KCS RR carry?

About 4,500 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is SR 15 over KCS RR?

The structure is 192 ft (58.5 m) long with a longest span of 63 ft (19.2 m) and a deck 41 ft wide.

Who owns SR 15 over KCS RR?

It is owned by the State Highway Agency.