US Bridges

County Road 230 over Mc Croskie CR

FairPosted for load

Carroll County, Missouri · S 3 T 53 N R 24 W · Structure no. 21835

Built
1987
38 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
55 ft
2 main spans
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

County Road 230 over Mc Croskie CR is a steel stringer/multi-beam or girder carrying County Road 230 over Mc Croskie CR in Carroll County, Missouri. It was built in 1987, so it is 38 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. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 55 ft (16.8 m) long and 16 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road 230
CrossesMc Croskie CR
LocationS 3 T 53 N R 24 W
RouteCounty Highway 326
CountyCarroll County
StateMissouri
Coordinates39.4261, -93.58864
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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating23.8 US tons
Inventory rating13.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length55 ft (16.8 m)
Longest span35 ft (10.7 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$298,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 230 over Mc Croskie CR built?

It was built in 1987, making it 38 years old in 2025.

What condition is County Road 230 over Mc Croskie 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 230 over Mc Croskie CR carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County Road 230 over Mc Croskie CR?

The structure is 55 ft (16.8 m) long with a longest span of 35 ft (10.7 m) and a deck 16 ft wide.

Who owns County Road 230 over Mc Croskie CR?

It is owned by the County Highway Agency.