US Bridges

Mo 49 S over Mckenzie CR

Good

Wayne County, Missouri · S 3 T 29 N R 3 E · Structure no. 35516

Built
2017
8 years old
Condition
Good
inspected December 2023
Type
Tee Beam
Prestressed Concrete
Length
140 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 prestressed concrete tee beam carrying Mo 49 S over Mckenzie CR in Wayne County, Missouri. It was built in 2017, so it is 8 years old, younger than the Missouri average of 45.1 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 1,514 vehicles a day, roughly 15% of them trucks, projected to reach 2,725 by 2044. The structure is 140 ft (42.8 m) long and 27 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesMo 49 S
CrossesMckenzie CR
LocationS 3 T 29 N R 3 E
RouteState Highway 49
Coordinates37.22623, -90.71472
Functional classRural Minor Arterial

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.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.2 US tons
Inventory rating53.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length140 ft (42.8 m)
Longest span80 ft (24.4 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 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 closed28 mi (45 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
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 2017, making it 8 years old in 2025.

What condition is Mo 49 S over Mckenzie CR 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 December 2023.

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 140 ft (42.8 m) long with a longest span of 80 ft (24.4 m) and a deck 27 ft wide.

Who owns Mo 49 S over Mckenzie CR?

It is owned by the State Highway Agency.