US Bridges

Cutoff Road over Mckinney Lake

PoorPosted for load

Tunica County, Mississippi · Sec 35 T 4S R12W B · Structure no. SA7200000000020

Built
1968
57 years old
Condition
Poor
inspected June 2024
Type
Channel Beam
Concrete
Length
173 ft
9 main spans
Daily traffic
690
2020 count
Owner
County
County Highway Agency

About this bridge

Cutoff Road over Mckinney Lake is a concrete channel beam carrying Cutoff Road over Mckinney Lake in Tunica County, Mississippi. It was built in 1968, so it is 57 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 690 vehicles a day, roughly 8% of them trucks, projected to reach 1,035 by 2042. The structure is 173 ft (52.7 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCutoff Road
CrossesMckinney Lake
LocationSec 35 T 4S R12W B
RouteCounty Highway 66
Coordinates34.69908, -90.44178
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating18.1 US tons
Inventory rating10.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans9
Design loadH 15
Structure length173 ft (52.7 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic690 (2020)
Projected traffic1,035 by 2042
Trucks8%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cutoff Road over Mckinney Lake built?

It was built in 1968, making it 57 years old in 2025.

What condition is Cutoff Road over Mckinney Lake in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Cutoff Road over Mckinney Lake carry?

About 690 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Cutoff Road over Mckinney Lake?

The structure is 173 ft (52.7 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Cutoff Road over Mckinney Lake?

It is owned by the County Highway Agency.