US Bridges

US 49 over Cnic RR

Good

Yazoo County, Mississippi · 0.8 MI N SR 433 · Structure no. 21000490821873A

Built
1976
49 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
198 ft
3 main spans
Daily traffic
6,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 49 over Cnic RR is a prestressed concrete stringer/multi-beam or girder carrying US 49 over Cnic RR in Yazoo County, Mississippi. It was built in 1976, so it is 49 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 6,000 vehicles a day, roughly 11% of them trucks, projected to reach 7,000 by 2043. The structure is 198 ft (60.4 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 49
CrossesCnic RR
Location0.8 MI N SR 433
RouteU.S. Route 49
Coordinates32.65451, -90.3745
Functional classRural Principal Arterial - Other

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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.5 US tons
Inventory rating33 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length198 ft (60.4 m)
Longest span65 ft (19.8 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2023)
Projected traffic7,000 by 2043
Trucks11%
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 49 over Cnic RR built?

It was built in 1976, making it 49 years old in 2025.

What condition is US 49 over Cnic 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 April 2023.

How much traffic does US 49 over Cnic RR carry?

About 6,000 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US 49 over Cnic RR?

The structure is 198 ft (60.4 m) long with a longest span of 65 ft (19.8 m) and a deck 41 ft wide.

Who owns US 49 over Cnic RR?

It is owned by the State Highway Agency.