US Bridges

Smith Co. 539 over Trib of Oakohay Crk

Good

Smith County, Mississippi · Sec 33 T 3N R 7E B · Structure no. SA6500000000063

Built
1978
47 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
23 ft
100 main spans
Daily traffic
300
2024 count
Owner
County
County Highway Agency

About this bridge

Smith Co. 539 over Trib of Oakohay Crk is a concrete culvert carrying Smith Co. 539 over Trib of Oakohay Crk in Smith County, Mississippi. It was built in 1978, so it is 47 years old, older 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 300 vehicles a day, roughly 8% of them trucks, projected to reach 450 by 2044. The structure is 23 ft (7 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSmith Co. 539
CrossesTrib of Oakohay Crk
LocationSec 33 T 3N R 7E B
RouteCounty Highway 217
Coordinates32.05183, -89.5809
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.5 US tons
Inventory rating45.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans100
Design loadHS 20
Structure length23 ft (7 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 traffic300 (2024)
Projected traffic450 by 2044
Trucks8%
Lanes on structure20
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Smith Co. 539 over Trib of Oakohay Crk built?

It was built in 1978, making it 47 years old in 2025.

What condition is Smith Co. 539 over Trib of Oakohay Crk 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 August 2024.

How much traffic does Smith Co. 539 over Trib of Oakohay Crk carry?

About 300 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Smith Co. 539 over Trib of Oakohay Crk?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m).

Who owns Smith Co. 539 over Trib of Oakohay Crk?

It is owned by the County Highway Agency.