US Bridges

SR 304 over Cnic RR

Good

DeSoto County, Mississippi · 0.4 MI E SR 3 · Structure no. 31003040170011B

Built
2006
19 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
298 ft
3 main spans
Daily traffic
2,700
2023 count
Owner
State
State Highway Agency

About this bridge

SR 304 over Cnic RR is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 304 over Cnic RR in DeSoto County, Mississippi. It was built in 2006, so it is 19 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 2,700 vehicles a day, roughly 6% of them trucks, projected to reach 2,700 by 2043. The structure is 298 ft (90.7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 304
CrossesCnic RR
Location0.4 MI E SR 3
RouteState Highway 304
Coordinates34.86807, -90.21841
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
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 rating78.2 US tons
Inventory rating38.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length298 ft (90.7 m)
Longest span98 ft (30 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2023)
Projected traffic2,700 by 2043
Trucks6%
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 SR 304 over Cnic RR built?

It was built in 2006, making it 19 years old in 2025.

What condition is SR 304 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 November 2024.

How much traffic does SR 304 over Cnic RR carry?

About 2,700 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is SR 304 over Cnic RR?

The structure is 298 ft (90.7 m) long with a longest span of 98 ft (30 m) and a deck 44 ft wide.

Who owns SR 304 over Cnic RR?

It is owned by the State Highway Agency.