US Bridges

County RD 230 over Trib to North Rvr

Fair

Marion County, Missouri · S 25 T 58 N R 7 W · Structure no. 32687

Built
2009
16 years old
Condition
Fair
inspected February 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 230 over Trib to North Rvr is a prestressed concrete box beam or girders - multiple carrying County RD 230 over Trib to North Rvr in Marion County, Missouri. It was built in 2009, so it is 16 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 200 vehicles a day, roughly 10% of them trucks, projected to reach 250 by 2043. The structure is 54 ft (16.4 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCounty RD 230
CrossesTrib to North Rvr
LocationS 25 T 58 N R 7 W
RouteCounty Highway 167
Coordinates39.79911, -91.61978
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.5 US tons
Inventory rating36.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length54 ft (16.4 m)
Longest span50 ft (15.3 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic250 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 230 over Trib to North Rvr built?

It was built in 2009, making it 16 years old in 2025.

What condition is County RD 230 over Trib to North Rvr in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.

How much traffic does County RD 230 over Trib to North Rvr carry?

About 200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 230 over Trib to North Rvr?

The structure is 54 ft (16.4 m) long with a longest span of 50 ft (15.3 m) and a deck 27 ft wide.

Who owns County RD 230 over Trib to North Rvr?

It is owned by the County Highway Agency.