US Bridges

County Road 221 over Moss CR

Fair

Carroll County, Missouri · S 24 T 52 N R 24 W · Structure no. 24572

Built
1991
34 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
71 ft
1 main span
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

County Road 221 over Moss CR is a steel stringer/multi-beam or girder carrying County Road 221 over Moss CR in Carroll County, Missouri. It was built in 1991, so it is 34 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 11 by 2044. The structure is 71 ft (21.6 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCounty Road 221
CrossesMoss CR
LocationS 24 T 52 N R 24 W
RouteCounty Highway 512
Coordinates39.30435, -93.53109
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.4 US tons
Inventory rating41.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length71 ft (21.6 m)
Longest span70 ft (21.3 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic11 by 2044
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 221 over Moss CR built?

It was built in 1991, making it 34 years old in 2025.

What condition is County Road 221 over Moss CR 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 December 2023.

How much traffic does County Road 221 over Moss CR carry?

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

How long is County Road 221 over Moss CR?

The structure is 71 ft (21.6 m) long with a longest span of 70 ft (21.3 m) and a deck 24 ft wide.

Who owns County Road 221 over Moss CR?

It is owned by the County Highway Agency.