US Bridges

County Road 150 over Mound CR

Fair

Carroll County, Missouri · S 36 T 55 N R 23 W · Structure no. 32076

Built
2006
19 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

County Road 150 over Mound CR is a steel stringer/multi-beam or girder carrying County Road 150 over Mound CR in Carroll County, Missouri. It was built in 2006, so it is 19 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 5 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 39 by 2044. The structure is 60 ft (18.4 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 150
CrossesMound CR
LocationS 36 T 55 N R 23 W
RouteCounty Highway 216
Coordinates39.54341, -93.42643
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating40.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length60 ft (18.4 m)
Longest span59 ft (18.1 m)
Deck width24 ft (7.2 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic39 by 2044
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 Road 150 over Mound CR built?

It was built in 2006, making it 19 years old in 2025.

What condition is County Road 150 over Mound 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 January 2024.

How much traffic does County Road 150 over Mound CR carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County Road 150 over Mound CR?

The structure is 60 ft (18.4 m) long with a longest span of 59 ft (18.1 m) and a deck 24 ft wide.

Who owns County Road 150 over Mound CR?

It is owned by the County Highway Agency.