US Bridges

Shaw-Skene Road over Knox Bayou

Good

Bolivar County, Mississippi · Sec 35 T21N R 6W B · Structure no. SA0600000000061

Built
2005
20 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
450
2025 count
Owner
County
County Highway Agency

About this bridge

Shaw-Skene Road over Knox Bayou is a concrete culvert carrying Shaw-Skene Road over Knox Bayou in Bolivar County, Mississippi. It was built in 2005, so it is 20 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 450 vehicles a day, roughly 10% of them trucks, projected to reach 675 by 2045. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesShaw-Skene Road
CrossesKnox Bayou
LocationSec 35 T21N R 6W B
RouteCounty Highway 609
Coordinates33.61842, -90.79831
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length22 ft (6.8 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2025)
Projected traffic675 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Shaw-Skene Road over Knox Bayou built?

It was built in 2005, making it 20 years old in 2025.

What condition is Shaw-Skene Road over Knox Bayou 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 2025.

How much traffic does Shaw-Skene Road over Knox Bayou carry?

About 450 vehicles per day (2025 count), of which roughly 10% are trucks.

How long is Shaw-Skene Road over Knox Bayou?

The structure is 22 ft (6.8 m) long with a longest span of 20 ft (6.1 m).

Who owns Shaw-Skene Road over Knox Bayou?

It is owned by the County Highway Agency.