US Bridges

Smith Co. 559 over Oakohay Creek

Good

Smith County, Mississippi · Sec 24 T 4N R 7E B · Structure no. SA650000000A104

Built
2019
6 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
44 ft
2 main spans
Daily traffic
80
2021 count
Owner
County
County Highway Agency

About this bridge

Smith Co. 559 over Oakohay Creek is a concrete culvert carrying Smith Co. 559 over Oakohay Creek in Smith County, Mississippi. It was built in 2019, so it is 6 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 80 vehicles a day, roughly 10% of them trucks, projected to reach 88 by 2043. The structure is 44 ft (13.4 m) long and 44 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSmith Co. 559
CrossesOakohay Creek
LocationSec 24 T 4N R 7E B
RouteCounty Highway 228
Coordinates32.17707, -89.54146
Functional classRural 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating94.2 US tons
Inventory rating72.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length44 ft (13.4 m)
Longest span21 ft (6.3 m)
Deck width44 ft (13.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2021)
Projected traffic88 by 2043
Trucks10%
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$650,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Smith Co. 559 over Oakohay Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is Smith Co. 559 over Oakohay Creek 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 Smith Co. 559 over Oakohay Creek carry?

About 80 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Smith Co. 559 over Oakohay Creek?

The structure is 44 ft (13.4 m) long with a longest span of 21 ft (6.3 m) and a deck 44 ft wide.

Who owns Smith Co. 559 over Oakohay Creek?

It is owned by the County Highway Agency.