US Bridges

Rt M S over Mckenzie CR

Fair

Vernon County, Missouri · S 29 T 38 N R 29 W · Structure no. 3435

Built
1980
45 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete Continuous
Length
41 ft
2 main spans
Daily traffic
296
2024 count
Owner
State
State Highway Agency

About this bridge

Rt M S over Mckenzie CR is a concrete continuous culvert carrying Rt M S over Mckenzie CR in Vernon County, Missouri. It was built in 1980, so it is 45 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 296 vehicles a day, roughly 20% of them trucks, projected to reach 414 by 2044. The structure is 41 ft (12.5 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesRt M S
CrossesMckenzie CR
LocationS 29 T 38 N R 29 W
RouteState Highway 0M
CountyVernon County
StateMissouri
Coordinates38.04374, -94.14481
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length41 ft (12.5 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic296 (2024)
Projected traffic414 by 2044
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt M S over Mckenzie CR built?

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

What condition is Rt M S over Mckenzie CR 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 March 2024.

How much traffic does Rt M S over Mckenzie CR carry?

About 296 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is Rt M S over Mckenzie CR?

The structure is 41 ft (12.5 m) long with a longest span of 20 ft (6.1 m).

Who owns Rt M S over Mckenzie CR?

It is owned by the State Highway Agency.