US Bridges

Mhoon Landing Road over Mckinney Bayou

Good

Tunica County, Mississippi · Sec 20 T 4S R11W B · Structure no. SA7200000000016

Built
1993
32 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
182 ft
4 main spans
Daily traffic
500
2023 count
Owner
County
County Highway Agency

About this bridge

Mhoon Landing Road over Mckinney Bayou is a prestressed concrete stringer/multi-beam or girder carrying Mhoon Landing Road over Mckinney Bayou in Tunica County, Mississippi. It was built in 1993, so it is 32 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 500 vehicles a day, roughly 20% of them trucks, projected to reach 750 by 2043. The structure is 182 ft (55.5 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesMhoon Landing Road
CrossesMckinney Bayou
LocationSec 20 T 4S R11W B
RouteCounty Highway 157
Coordinates34.71417, -90.39267
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating71 US tons
Inventory rating38.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length182 ft (55.5 m)
Longest span80 ft (24.4 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2023)
Projected traffic750 by 2043
Trucks20%
Lanes on structure2
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mhoon Landing Road over Mckinney Bayou built?

It was built in 1993, making it 32 years old in 2025.

What condition is Mhoon Landing Road over Mckinney Bayou 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 March 2023.

How much traffic does Mhoon Landing Road over Mckinney Bayou carry?

About 500 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is Mhoon Landing Road over Mckinney Bayou?

The structure is 182 ft (55.5 m) long with a longest span of 80 ft (24.4 m) and a deck 33 ft wide.

Who owns Mhoon Landing Road over Mckinney Bayou?

It is owned by the County Highway Agency.