US Bridges

Harper Road over Norfolk Southern RR

Good

Alcorn County, Mississippi · Sec 7 T 2S R 8E · Structure no. SA0200000000088

Built
1980
45 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
220 ft
3 main spans
Daily traffic
220
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Harper Road over Norfolk Southern RR is a prestressed concrete stringer/multi-beam or girder carrying Harper Road over Norfolk Southern RR in Alcorn County, Mississippi. It was built in 1980, so it is 45 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 220 vehicles a day, roughly 8% of them trucks, projected to reach 330 by 2035. The structure is 220 ft (67.1 m) long and 51 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHarper Road
CrossesNorfolk Southern RR
LocationSec 7 T 2S R 8E
RouteCity Street 3024
Coordinates34.92639, -88.49556
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.8 US tons
Inventory rating27.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length220 ft (67.1 m)
Longest span80 ft (24.4 m)
Deck width51 ft (15.5 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2014)
Projected traffic330 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$500,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Harper Road over Norfolk Southern RR built?

It was built in 1980, making it 45 years old in 2025.

What condition is Harper Road over Norfolk Southern 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 December 2023.

How much traffic does Harper Road over Norfolk Southern RR carry?

About 220 vehicles per day (2014 count), of which roughly 8% are trucks.

How long is Harper Road over Norfolk Southern RR?

The structure is 220 ft (67.1 m) long with a longest span of 80 ft (24.4 m) and a deck 51 ft wide.

Who owns Harper Road over Norfolk Southern RR?

It is owned by the City or Municipal Highway Agency.