US Bridges

US 72 over KCS RR

Fair

Alcorn County, Mississippi · 1.7 MI E US 45 · Structure no. 210007200206440

Built
1976
49 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
413 ft
5 main spans
Daily traffic
25,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 72 over KCS RR is a prestressed concrete continuous stringer/multi-beam or girder carrying US 72 over KCS RR in Alcorn 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 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 25,000 vehicles a day, roughly 10% of them trucks, projected to reach 29,000 by 2043. The structure is 413 ft (126 m) long and 69 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 72
CrossesKCS RR
Location1.7 MI E US 45
RouteU.S. Route 72
Coordinates34.92316, -88.51928
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.6 US tons
Inventory rating44.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length413 ft (126 m)
Longest span82 ft (25 m)
Deck width69 ft (21 m)
Roadway width66 ft (20 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,000 (2023)
Projected traffic29,000 by 2043
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 72 over KCS RR built?

It was built in 1976, making it 49 years old in 2025.

What condition is US 72 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 July 2023.

How much traffic does US 72 over KCS RR carry?

About 25,000 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is US 72 over KCS RR?

The structure is 413 ft (126 m) long with a longest span of 82 ft (25 m) and a deck 69 ft wide.

Who owns US 72 over KCS RR?

It is owned by the State Highway Agency.