US Bridges

South Union Road over Yockanookany River

Fair

Choctaw County, Mississippi · Sec 19 T17N R11E B · Structure no. SA1000000000040

Built
1989
36 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
39 ft
2 main spans
Daily traffic
200
2021 count
Owner
County
County Highway Agency

About this bridge

South Union Road over Yockanookany River is a concrete culvert carrying South Union Road over Yockanookany River in Choctaw County, Mississippi. It was built in 1989, so it is 36 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 200 vehicles a day, roughly 8% of them trucks, projected to reach 300 by 2041. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSouth Union Road
CrossesYockanookany River
LocationSec 19 T17N R11E B
RouteCounty Highway 103
Coordinates33.31639, -89.19186
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.5 US tons
Inventory rating43.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span19 ft (5.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2021)
Projected traffic300 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 South Union Road over Yockanookany River built?

It was built in 1989, making it 36 years old in 2025.

What condition is South Union Road over Yockanookany River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does South Union Road over Yockanookany River carry?

About 200 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is South Union Road over Yockanookany River?

The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.8 m).

Who owns South Union Road over Yockanookany River?

It is owned by the County Highway Agency.