US Bridges

US 45 over Front ST KCS RR

Good

Lee County, Mississippi · 1.8 MI S US 78 · Structure no. 21000450412260B

Built
1966
59 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
489 ft
5 main spans
Daily traffic
17,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 45 over Front ST KCS RR is a prestressed concrete stringer/multi-beam or girder carrying US 45 over Front ST KCS RR in Lee County, Mississippi. It was built in 1966, so it is 59 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 17,500 vehicles a day, roughly 11% of them trucks, projected to reach 20,500 by 2043. The structure is 489 ft (148.9 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 45
CrossesFront ST KCS RR
Location1.8 MI S US 78
RouteU.S. Route 45
Coordinates34.27115, -88.69984
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.9 US tons
Inventory rating22.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5 (+2 approach)
Design loadHS 20
Structure length489 ft (148.9 m)
Longest span74 ft (22.6 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,500 (2023)
Projected traffic20,500 by 2043
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$618 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 45 over Front ST KCS RR built?

It was built in 1966, making it 59 years old in 2025.

What condition is US 45 over Front ST 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 2024.

How much traffic does US 45 over Front ST KCS RR carry?

About 17,500 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US 45 over Front ST KCS RR?

The structure is 489 ft (148.9 m) long with a longest span of 74 ft (22.6 m) and a deck 30 ft wide.

Who owns US 45 over Front ST KCS RR?

It is owned by the State Highway Agency.