US Bridges

Mo 215 S over Coates Br

Good

Polk County, Missouri · S 19 T 32 N R 23 W · Structure no. 33702

Built
2011
14 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
93 ft
2 main spans
Daily traffic
711
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 215 S over Coates Br is a prestressed concrete box beam or girders - multiple carrying Mo 215 S over Coates Br in Polk County, Missouri. It was built in 2011, so it is 14 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 711 vehicles a day, roughly 11% of them trucks, projected to reach 1,138 by 2044. The structure is 93 ft (28.4 m) long and 30 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesMo 215 S
CrossesCoates Br
LocationS 19 T 32 N R 23 W
RouteState Highway 215
Coordinates37.48297, -93.49299
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length93 ft (28.4 m)
Longest span55 ft (16.8 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic711 (2024)
Projected traffic1,138 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 215 S over Coates Br built?

It was built in 2011, making it 14 years old in 2025.

What condition is Mo 215 S over Coates Br 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 November 2023.

How much traffic does Mo 215 S over Coates Br carry?

About 711 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mo 215 S over Coates Br?

The structure is 93 ft (28.4 m) long with a longest span of 55 ft (16.8 m) and a deck 30 ft wide.

Who owns Mo 215 S over Coates Br?

It is owned by the State Highway Agency.