US Bridges

225 ST over Cow Br

PoorPosted for load

Atchison County, Missouri · S 33 T 65 N R 40 W · Structure no. 19746

Built
1930
95 years old
Condition
Poor
inspected February 2025
Type
Truss - Thru
Steel
Length
103 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

225 ST over Cow Br is a steel truss - thru carrying 225 ST over Cow Br in Atchison County, Missouri. It was built in 1930, so it is 95 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. 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 103 ft (31.4 m) long and 14 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
Carries225 ST
CrossesCow Br
LocationS 33 T 65 N R 40 W
RouteCounty Highway 232
CountyAtchison County
StateMissouri
Coordinates40.40157, -95.41878
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating14.9 US tons
Inventory rating7.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadOther
Structure length103 ft (31.4 m)
Longest span80 ft (24.4 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (4.1 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 closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$727,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 225 ST over Cow Br built?

It was built in 1930, making it 95 years old in 2025.

What condition is 225 ST over Cow Br in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does 225 ST over Cow Br carry?

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

How long is 225 ST over Cow Br?

The structure is 103 ft (31.4 m) long with a longest span of 80 ft (24.4 m) and a deck 14 ft wide.

Who owns 225 ST over Cow Br?

It is owned by the County Highway Agency.