US Bridges

Southside Ashland over Small Bayou

Good

Jefferson County, Mississippi · Sec 20 T10N R 1W · Structure no. SA3200000000090

Built
2011
14 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
10
2021 count
Owner
County
County Highway Agency

About this bridge

Southside Ashland over Small Bayou is a concrete culvert carrying Southside Ashland over Small Bayou in Jefferson County, Mississippi. It was built in 2011, so it is 14 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 10 vehicles a day, roughly 1% of them trucks, projected to reach 10 by 2031. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 61.5 mi (99 km).

CarriesSouthside Ashland
CrossesSmall Bayou
LocationSec 20 T10N R 1W
RouteCounty Highway 161
Coordinates31.835, -91.22194
Functional classUrban Local

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.2 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span13 ft (4.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2021)
Projected traffic10 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed61.5 mi (99 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 Southside Ashland over Small Bayou built?

It was built in 2011, making it 14 years old in 2025.

What condition is Southside Ashland over Small 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 December 2023.

How much traffic does Southside Ashland over Small Bayou carry?

About 10 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Southside Ashland over Small Bayou?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4.1 m).

Who owns Southside Ashland over Small Bayou?

It is owned by the County Highway Agency.