US Bridges

Three Notch RD over Mckinnis Creek

Good

Covington County, Mississippi · Sec 36 T 8N R17W B · Structure no. SA1600000000079

Built
1980
45 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
39 ft
2 main spans
Daily traffic
200
2022 count
Owner
County
County Highway Agency

About this bridge

Three Notch RD over Mckinnis Creek is a concrete culvert carrying Three Notch RD over Mckinnis Creek in Covington County, Mississippi. It was built in 1980, so it is 45 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 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 200 vehicles a day, roughly 8% of them trucks, projected to reach 300 by 2042. The structure is 39 ft (11.8 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesThree Notch RD
CrossesMckinnis Creek
LocationSec 36 T 8N R17W B
RouteCounty Highway 173
Coordinates31.61629, -89.66472
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.2 US tons
Inventory rating33.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length39 ft (11.8 m)
Longest span18 ft (5.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic300 by 2042
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 Three Notch RD over Mckinnis Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Three Notch RD over Mckinnis 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 October 2023.

How much traffic does Three Notch RD over Mckinnis Creek carry?

About 200 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Three Notch RD over Mckinnis Creek?

The structure is 39 ft (11.8 m) long with a longest span of 18 ft (5.5 m).

Who owns Three Notch RD over Mckinnis Creek?

It is owned by the County Highway Agency.