US Bridges

CR 343 over Ms Central RR

Good

Alcorn County, Mississippi · Sec 12 T 3S R 8E B · Structure no. SA0200000000128

Built
2009
16 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
160 ft
3 main spans
Daily traffic
200
2016 count
Owner
County
County Highway Agency

About this bridge

CR 343 over Ms Central RR is a prestressed concrete stringer/multi-beam or girder carrying CR 343 over Ms Central RR in Alcorn County, Mississippi. It was built in 2009, so it is 16 years old, younger 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 200 vehicles a day, roughly 8% of them trucks, projected to reach 300 by 2036. The structure is 160 ft (48.8 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCR 343
CrossesMs Central RR
LocationSec 12 T 3S R 8E B
RouteCounty Highway 996
Coordinates34.83917, -88.41361
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating59.2 US tons
Inventory rating29.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span80 ft (24.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2016)
Projected traffic300 by 2036
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$339,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was CR 343 over Ms Central RR built?

It was built in 2009, making it 16 years old in 2025.

What condition is CR 343 over Ms Central 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 February 2024.

How much traffic does CR 343 over Ms Central RR carry?

About 200 vehicles per day (2016 count), of which roughly 8% are trucks.

How long is CR 343 over Ms Central RR?

The structure is 160 ft (48.8 m) long with a longest span of 80 ft (24.4 m) and a deck 31 ft wide.

Who owns CR 343 over Ms Central RR?

It is owned by the County Highway Agency.