US Bridges

Mo 49 S over Mckenzie CR

Fair

Wayne County, Missouri · S 15 T 29 N R 3 E · Structure no. 5175

Built
1929
96 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
1,514
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 49 S over Mckenzie CR is a concrete continuous culvert carrying Mo 49 S over Mckenzie CR in Wayne County, Missouri. It was built in 1929, so it is 96 years old, older 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 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 1,514 vehicles a day, roughly 15% of them trucks, projected to reach 2,725 by 2044. The structure is 23 ft (7 m) long and 34 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

Location

Open in Google Maps
CarriesMo 49 S
CrossesMckenzie CR
LocationS 15 T 29 N R 3 E
RouteState Highway 49
CountyWayne County
StateMissouri
Coordinates37.18501, -90.70023
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.5 US tons
Inventory rating36.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,514 (2024)
Projected traffic2,725 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 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 Mo 49 S over Mckenzie CR built?

It was built in 1929, making it 96 years old in 2025.

What condition is Mo 49 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 February 2024.

How much traffic does Mo 49 S over Mckenzie CR carry?

About 1,514 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Mo 49 S over Mckenzie CR?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 34 ft wide.

Who owns Mo 49 S over Mckenzie CR?

It is owned by the State Highway Agency.