US Bridges

County Road 109 over Moss CR Dtch

Fair

Carroll County, Missouri · S 6 T 51 N R 25 W · Structure no. 25048

Built
1940
85 years old, rebuilt 1985
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

County Road 109 over Moss CR Dtch is a steel stringer/multi-beam or girder carrying County Road 109 over Moss CR Dtch in Carroll County, Missouri. It was built in 1940 and reconstructed in 1985, so it is 85 years old, older 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 24 ft (7.3 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty Road 109
CrossesMoss CR Dtch
LocationS 6 T 51 N R 25 W
RouteCounty Highway 606
Coordinates39.2535, -93.74214
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.
Superstructure7 GoodSome minor problems.
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 inspectionDecember 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.7 US tons
Inventory rating19.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 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 closed3.7 mi (6 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$174,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 109 over Moss CR Dtch built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1985.

What condition is County Road 109 over Moss CR Dtch 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 109 over Moss CR Dtch carry?

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

How long is County Road 109 over Moss CR Dtch?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 16 ft wide.

Who owns County Road 109 over Moss CR Dtch?

It is owned by the County Highway Agency.