US Bridges

County RD 189 over North Rvr

Good

Marion County, Missouri · S 24 T 58 N R 8 W · Structure no. 33993

Built
2012
13 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
187 ft
3 main spans
Daily traffic
38
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 189 over North Rvr is a prestressed concrete stringer/multi-beam or girder carrying County RD 189 over North Rvr in Marion County, Missouri. It was built in 2012, so it is 13 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 38 vehicles a day, roughly 10% of them trucks, projected to reach 48 by 2043. The structure is 187 ft (56.9 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty RD 189
CrossesNorth Rvr
LocationS 24 T 58 N R 8 W
RouteCounty Highway 118
Coordinates39.808, -91.73464
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
Deck9 ExcellentNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.2 US tons
Inventory rating58.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length187 ft (56.9 m)
Longest span69 ft (21 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38 (2023)
Projected traffic48 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 County RD 189 over North Rvr built?

It was built in 2012, making it 13 years old in 2025.

What condition is County RD 189 over North Rvr 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 2023.

How much traffic does County RD 189 over North Rvr carry?

About 38 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 189 over North Rvr?

The structure is 187 ft (56.9 m) long with a longest span of 69 ft (21 m) and a deck 26 ft wide.

Who owns County RD 189 over North Rvr?

It is owned by the County Highway Agency.