US Bridges

Main ST over Coon CR

Good

Pettis County, Missouri · S 35 T 46 N R 22 W · Structure no. 35081

Built
2015
10 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
400
2024 count
Owner
County
County Highway Agency

About this bridge

Main ST over Coon CR is a prestressed concrete stringer/multi-beam or girder carrying Main ST over Coon CR in Pettis County, Missouri. It was built in 2015, so it is 10 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 400 vehicles a day, roughly 10% of them trucks, projected to reach 680 by 2044. The structure is 64 ft (19.5 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMain ST
CrossesCoon CR
LocationS 35 T 46 N R 22 W
RouteCounty Highway 420
CountyPettis County
StateMissouri
Coordinates38.71528, -93.30378
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 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 evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.4 US tons
Inventory rating51.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span61 ft (18.7 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2024)
Projected traffic680 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Main ST over Coon CR built?

It was built in 2015, making it 10 years old in 2025.

What condition is Main ST 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 February 2024.

How much traffic does Main ST over Coon CR carry?

About 400 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Main ST over Coon CR?

The structure is 64 ft (19.5 m) long with a longest span of 61 ft (18.7 m) and a deck 25 ft wide.

Who owns Main ST over Coon CR?

It is owned by the County Highway Agency.