US Bridges

Co. Road 3122 over Bch of Yockanookany

Good

Attala County, Mississippi · Sec 21 T16N R 9E B · Structure no. SA040000000A165

Built
2020
5 years old
Condition
Good
inspected September 2023
Type
Culvert
Steel
Length
37 ft
3 main spans
Daily traffic
90
2023 count
Owner
County
County Highway Agency

About this bridge

Co. Road 3122 over Bch of Yockanookany is a steel culvert carrying Co. Road 3122 over Bch of Yockanookany in Attala County, Mississippi. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 90 vehicles a day, roughly 8% of them trucks, projected to reach 300 by 2035. The structure is 37 ft (11.4 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCo. Road 3122
CrossesBch of Yockanookany
LocationSec 21 T16N R 9E B
RouteCounty Highway 1661
Coordinates33.22646, -89.38384
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.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckOther
Main spans3
Design loadUnknown
Structure length37 ft (11.4 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2023)
Projected traffic300 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$450,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Co. Road 3122 over Bch of Yockanookany built?

It was built in 2020, making it 5 years old in 2025.

What condition is Co. Road 3122 over Bch of Yockanookany 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 September 2023.

How much traffic does Co. Road 3122 over Bch of Yockanookany carry?

About 90 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Co. Road 3122 over Bch of Yockanookany?

The structure is 37 ft (11.4 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Co. Road 3122 over Bch of Yockanookany?

It is owned by the County Highway Agency.