US Bridges

US 45 over Front ST KCS RR

Fair

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

Built
1975
50 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
487 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 1975, so it is 50 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 6 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 17,500 vehicles a day, roughly 11% of them trucks, projected to reach 20,500 by 2043. The structure is 487 ft (148.3 m) long and 54 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
Coordinates34.27169, -88.70114
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
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 rating70.1 US tons
Inventory rating34.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5 (+2 approach)
Design loadHS 20
Structure length487 ft (148.3 m)
Longest span87 ft (26.5 m)
Deck width54 ft (16.4 m)
Roadway width51 ft (15.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,500 (2023)
Projected traffic20,500 by 2043
Trucks11%
Lanes on structure3
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 45 over Front ST KCS RR built?

It was built in 1975, making it 50 years old in 2025.

What condition is US 45 over Front ST 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 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 487 ft (148.3 m) long with a longest span of 87 ft (26.5 m) and a deck 54 ft wide.

Who owns US 45 over Front ST KCS RR?

It is owned by the State Highway Agency.