US Bridges

US 45 over Norfolk Southern R R

Fair

Alcorn County, Mississippi · 1.1 MI N US 72 · Structure no. 21000450022756B

Built
1965
60 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
213 ft
1 main span
Daily traffic
7,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 45 over Norfolk Southern R R is a prestressed concrete stringer/multi-beam or girder carrying US 45 over Norfolk Southern R R in Alcorn County, Mississippi. It was built in 1965, so it is 60 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 7,000 vehicles a day, roughly 21% of them trucks, projected to reach 8,000 by 2043. The structure is 213 ft (65 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 45
CrossesNorfolk Southern R R
Location1.1 MI N US 72
RouteU.S. Route 45
CountyAlcorn County
StateMississippi
Coordinates34.94592, -88.54201
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.4 US tons
Inventory rating42.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadHS 20
Structure length213 ft (65 m)
Longest span52 ft (15.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2023)
Projected traffic8,000 by 2043
Trucks21%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$750 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 45 over Norfolk Southern R R built?

It was built in 1965, making it 60 years old in 2025.

What condition is US 45 over Norfolk Southern R R 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 45 over Norfolk Southern R R carry?

About 7,000 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is US 45 over Norfolk Southern R R?

The structure is 213 ft (65 m) long with a longest span of 52 ft (15.7 m) and a deck 30 ft wide.

Who owns US 45 over Norfolk Southern R R?

It is owned by the State Highway Agency.