US Bridges

Mo 52 E over Coon CR

Good

Miller County, Missouri · S 6 T 40 N R 13 W · Structure no. 30303

Built
2004
21 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
136 ft
3 main spans
Daily traffic
394
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 52 E over Coon CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Mo 52 E over Coon CR in Miller County, Missouri. It was built in 2004, so it is 21 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 394 vehicles a day, roughly 19% of them trucks, projected to reach 729 by 2044. The structure is 136 ft (41.5 m) long and 35 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesMo 52 E
CrossesCoon CR
LocationS 6 T 40 N R 13 W
RouteState Highway 52
Coordinates38.24131, -92.41221
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.4 US tons
Inventory rating43.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length136 ft (41.5 m)
Longest span46 ft (13.9 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic394 (2024)
Projected traffic729 by 2044
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 52 E over Coon CR built?

It was built in 2004, making it 21 years old in 2025.

What condition is Mo 52 E over Coon 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 2024.

How much traffic does Mo 52 E over Coon CR carry?

About 394 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is Mo 52 E over Coon CR?

The structure is 136 ft (41.5 m) long with a longest span of 46 ft (13.9 m) and a deck 35 ft wide.

Who owns Mo 52 E over Coon CR?

It is owned by the State Highway Agency.