US Bridges

CR 309 over Ms Central RR

Fair

Alcorn County, Mississippi · Sec 35 T 2S R 8E · Structure no. SA0200000000099

Built
2008
17 years old
Condition
Fair
inspected February 2024
Type
Channel Beam
Concrete
Length
120 ft
3 main spans
Daily traffic
200
2016 count
Owner
County
County Highway Agency

About this bridge

CR 309 over Ms Central RR is a concrete channel beam carrying CR 309 over Ms Central RR in Alcorn County, Mississippi. It was built in 2008, so it is 17 years old, younger 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 200 vehicles a day, roughly 8% of them trucks, projected to reach 300 by 2036. The structure is 120 ft (36.6 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 309
CrossesMs Central RR
LocationSec 35 T 2S R 8E
RouteCounty Highway 275
Coordinates34.86169, -88.42673
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating61.4 US tons
Inventory rating37 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.3 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 closed3.1 mi (5 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$433,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was CR 309 over Ms Central RR built?

It was built in 2008, making it 17 years old in 2025.

What condition is CR 309 over Ms Central 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 February 2024.

How much traffic does CR 309 over Ms Central RR carry?

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

How long is CR 309 over Ms Central RR?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns CR 309 over Ms Central RR?

It is owned by the County Highway Agency.