US Bridges

County Road 120 over Br Cottonwood CR

Fair

Carroll County, Missouri · S 13 T 55 N R 25 W · Structure no. 12591

Built
1995
30 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
59 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

County Road 120 over Br Cottonwood CR is a steel stringer/multi-beam or girder carrying County Road 120 over Br Cottonwood CR in Carroll County, Missouri. It was built in 1995, so it is 30 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 39 by 2044. The structure is 59 ft (18 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesCounty Road 120
CrossesBr Cottonwood CR
LocationS 13 T 55 N R 25 W
RouteCounty Highway 15
CountyCarroll County
StateMissouri
Coordinates39.58279, -93.65584
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating98.2 US tons
Inventory rating61.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length59 ft (18 m)
Longest span38 ft (11.6 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 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 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 120 over Br Cottonwood CR built?

It was built in 1995, making it 30 years old in 2025.

What condition is County Road 120 over Br Cottonwood 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 120 over Br Cottonwood CR carry?

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

How long is County Road 120 over Br Cottonwood CR?

The structure is 59 ft (18 m) long with a longest span of 38 ft (11.6 m) and a deck 20 ft wide.

Who owns County Road 120 over Br Cottonwood CR?

It is owned by the County Highway Agency.