US Bridges

Smith Co. 106 over Oakohay Creek

Good

Smith County, Mississippi · Sec 9 T 1N R 7E B · Structure no. SA6500000000007

Built
1999
26 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
320 ft
700 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

Smith Co. 106 over Oakohay Creek is a prestressed concrete stringer/multi-beam or girder carrying Smith Co. 106 over Oakohay Creek in Smith County, Mississippi. It was built in 1999, so it is 26 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 100 vehicles a day, roughly 8% of them trucks, projected to reach 150 by 2044. The structure is 320 ft (97.6 m) long and 31 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesSmith Co. 106
CrossesOakohay Creek
LocationSec 9 T 1N R 7E B
RouteCounty Highway 203
Coordinates31.93972, -89.58957
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.6 US tons
Inventory rating42.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans700
Design loadHS 20
Structure length320 ft (97.6 m)
Longest span80 ft (24.4 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic150 by 2044
Trucks8%
Lanes on structure20
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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$2.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Smith Co. 106 over Oakohay Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Smith Co. 106 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 2024.

How much traffic does Smith Co. 106 over Oakohay Creek carry?

About 100 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Smith Co. 106 over Oakohay Creek?

The structure is 320 ft (97.6 m) long with a longest span of 80 ft (24.4 m) and a deck 31 ft wide.

Who owns Smith Co. 106 over Oakohay Creek?

It is owned by the County Highway Agency.