US Bridges

Mo 52 E over Flat Crk

Good

Pettis County, Missouri · S 4 T 43 N R 22 W · Structure no. 36971

Built
2023
2 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
118 ft
3 main spans
Daily traffic
2,568
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 52 E over Flat Crk is a steel continuous stringer/multi-beam or girder carrying Mo 52 E over Flat Crk in Pettis County, Missouri. It was built in 2023, so it is 2 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 2,568 vehicles a day, roughly 17% of them trucks, projected to reach 3,980 by 2044. The structure is 118 ft (36.1 m) long and 33 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesMo 52 E
CrossesFlat Crk
LocationS 4 T 43 N R 22 W
RouteState Highway 52
Coordinates38.53724, -93.35757
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.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating71.4 US tons
Inventory rating42.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length118 ft (36.1 m)
Longest span45 ft (13.7 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,568 (2024)
Projected traffic3,980 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 52 E over Flat Crk built?

It was built in 2023, making it 2 years old in 2025.

What condition is Mo 52 E over Flat Crk 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 January 2024.

How much traffic does Mo 52 E over Flat Crk carry?

About 2,568 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is Mo 52 E over Flat Crk?

The structure is 118 ft (36.1 m) long with a longest span of 45 ft (13.7 m) and a deck 33 ft wide.

Who owns Mo 52 E over Flat Crk?

It is owned by the State Highway Agency.