US Bridges

SR 350 over Norfolk Southern RR

Fair

Tishomingo County, Mississippi · 2.0 MI E Alcorn Cl · Structure no. 310035007100790

Built
1980
45 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
182 ft
3 main spans
Daily traffic
2,300
2023 count
Owner
State
State Highway Agency

About this bridge

SR 350 over Norfolk Southern RR is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 350 over Norfolk Southern RR in Tishomingo 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 fair condition with a lowest component rating of 5 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 2,300 vehicles a day, roughly 11% of them trucks, projected to reach 2,300 by 2043. The structure is 182 ft (55.6 m) long and 41 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

Open in Google Maps
CarriesSR 350
CrossesNorfolk Southern RR
Location2.0 MI E Alcorn Cl
RouteState Highway 350
CountyTishomingo County
StateMississippi
Coordinates34.98983, -88.32827
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
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 rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length182 ft (55.6 m)
Longest span60 ft (18.3 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2023)
Projected traffic2,300 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemNo

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 SR 350 over Norfolk Southern RR built?

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

What condition is SR 350 over Norfolk Southern 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 January 2025.

How much traffic does SR 350 over Norfolk Southern RR carry?

About 2,300 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 350 over Norfolk Southern RR?

The structure is 182 ft (55.6 m) long with a longest span of 60 ft (18.3 m) and a deck 41 ft wide.

Who owns SR 350 over Norfolk Southern RR?

It is owned by the State Highway Agency.