US Bridges

US 45A over KCS RR

Good

Chickasaw County, Mississippi · 5.4 MI N Monroe Cl · Structure no. 22000450091922A

Built
1996
29 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
227 ft
3 main spans
Daily traffic
5,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 45A over KCS RR is a prestressed concrete continuous stringer/multi-beam or girder carrying US 45A over KCS RR in Chickasaw County, Mississippi. It was built in 1996, so it is 29 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 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 5,000 vehicles a day, roughly 22% of them trucks, projected to reach 7,500 by 2043. The structure is 227 ft (69.3 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 45A
CrossesKCS RR
Location5.4 MI N Monroe Cl
RouteU.S. Route 45A
Coordinates33.94393, -88.72656
Functional classRural Principal Arterial - Other

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.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 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 rating63.9 US tons
Inventory rating28.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length227 ft (69.3 m)
Longest span85 ft (25.9 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2023)
Projected traffic7,500 by 2043
Trucks22%
Lanes on structure2
Traffic directionOne-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 45A over KCS RR built?

It was built in 1996, making it 29 years old in 2025.

What condition is US 45A 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 January 2023.

How much traffic does US 45A over KCS RR carry?

About 5,000 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is US 45A over KCS RR?

The structure is 227 ft (69.3 m) long with a longest span of 85 ft (25.9 m) and a deck 43 ft wide.

Who owns US 45A over KCS RR?

It is owned by the State Highway Agency.