US Bridges

230th Road over Br of Muddy CR

Good

Worth County, Missouri · S 13 T 65 N R 30 W · Structure no. 33867

Built
2010
15 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

230th Road over Br of Muddy CR is a steel stringer/multi-beam or girder carrying 230th Road over Br of Muddy CR in Worth County, Missouri. It was built in 2010, so it is 15 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 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 50 ft (15.2 m) long and 18 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Carries230th Road
CrossesBr of Muddy CR
LocationS 13 T 65 N R 30 W
RouteCounty Highway 185
Coordinates40.38516, -94.255
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width18 ft (5.6 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2024)
Projected traffic6 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 230th Road over Br of Muddy CR built?

It was built in 2010, making it 15 years old in 2025.

What condition is 230th Road over Br of Muddy 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 230th Road over Br of Muddy CR carry?

About 5 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 230th Road over Br of Muddy CR?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 18 ft wide.

Who owns 230th Road over Br of Muddy CR?

It is owned by the County Highway Agency.