US Bridges

US 98 over Silver Creek & Cnic RR

Good

Marion County, Mississippi · 0.5 MI E SR 35 South · Structure no. 21000980461170B

Built
1974
51 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
542 ft
9 main spans
Daily traffic
6,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 98 over Silver Creek & Cnic RR is a prestressed concrete stringer/multi-beam or girder carrying US 98 over Silver Creek & Cnic RR in Marion County, Mississippi. It was built in 1974, so it is 51 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 6,500 vehicles a day, roughly 13% of them trucks, projected to reach 6,500 by 2043. The structure is 542 ft (165.2 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 98
CrossesSilver Creek & Cnic RR
Location0.5 MI E SR 35 South
RouteU.S. Route 98
Coordinates31.22912, -89.86927
Functional classUrban Other Principal Arterial

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating33.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length542 ft (165.2 m)
Longest span74 ft (22.6 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2023)
Projected traffic6,500 by 2043
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 98 over Silver Creek & Cnic RR built?

It was built in 1974, making it 51 years old in 2025.

What condition is US 98 over Silver Creek & 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 January 2024.

How much traffic does US 98 over Silver Creek & Cnic RR carry?

About 6,500 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is US 98 over Silver Creek & Cnic RR?

The structure is 542 ft (165.2 m) long with a longest span of 74 ft (22.6 m) and a deck 41 ft wide.

Who owns US 98 over Silver Creek & Cnic RR?

It is owned by the State Highway Agency.