US Bridges

Mckenzie Road over Ditch No 11

Fair

Washington County, Mississippi · Sec 3 T16N R 7W · Structure no. SA7600000000127

Built
1968
57 years old, rebuilt 2003
Condition
Fair
inspected January 2025
Type
Channel Beam
Concrete
Length
38 ft
2 main spans
Daily traffic
50
2025 count
Owner
County
County Highway Agency

About this bridge

Mckenzie Road over Ditch No 11 is a concrete channel beam carrying Mckenzie Road over Ditch No 11 in Washington County, Mississippi. It was built in 1968 and reconstructed in 2003, 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 50 vehicles a day, roughly 8% of them trucks, projected to reach 70 by 2045. The structure is 38 ft (11.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesMckenzie Road
CrossesDitch No 11
LocationSec 3 T16N R 7W
RouteCounty Highway 939
CountyWashington County
StateMississippi
Coordinates33.25668, -90.91368
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating38.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 15
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2025)
Projected traffic70 by 2045
Trucks8%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$500,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mckenzie Road over Ditch No 11 built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2003.

What condition is Mckenzie Road over Ditch No 11 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does Mckenzie Road over Ditch No 11 carry?

About 50 vehicles per day (2025 count), of which roughly 8% are trucks.

How long is Mckenzie Road over Ditch No 11?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Mckenzie Road over Ditch No 11?

It is owned by the County Highway Agency.