US Bridges

SR 15 over KCS RR

Good

Newton County, Mississippi · 1.7 MI S US 80 · Structure no. 310001505113240

Built
1976
49 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
258 ft
3 main spans
Daily traffic
3,900
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 Newton County, Mississippi. It was built in 1976, so it is 49 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 3,900 vehicles a day, roughly 14% of them trucks, projected to reach 3,900 by 2043. The structure is 258 ft (78.6 m) long and 42 ft wide. If it were closed, the detour would be 41 mi (66 km).

CarriesSR 15
CrossesKCS RR
Location1.7 MI S US 80
RouteState Highway 15
Coordinates32.31844, -89.14824
Functional classRural 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.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum 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 rating69.2 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length258 ft (78.6 m)
Longest span54 ft (16.5 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2023)
Projected traffic3,900 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed41 mi (66 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 1976, making it 49 years old in 2025.

What condition is SR 15 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 February 2025.

How much traffic does SR 15 over KCS RR carry?

About 3,900 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 15 over KCS RR?

The structure is 258 ft (78.6 m) long with a longest span of 54 ft (16.5 m) and a deck 42 ft wide.

Who owns SR 15 over KCS RR?

It is owned by the State Highway Agency.