US Bridges

200th ST over Bohemian Creek

Poor

Howard County, Iowa · 097111306 · Structure no. 000000000028780

Built
1951
74 years old
Condition
Poor
inspected April 2023
Type
Slab
Concrete Continuous
Length
92 ft
3 main spans
Daily traffic
730
2021 count
Owner
County
County Highway Agency

About this bridge

200th ST over Bohemian Creek is a concrete continuous slab carrying 200th ST over Bohemian Creek in Howard County, Iowa. It was built in 1951, so it is 74 years old, older than the Iowa average of 45.5 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.

It carries about 730 vehicles a day, roughly 12% of them trucks, projected to reach 730 by 2043. The structure is 92 ft (28 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
Carries200th ST
CrossesBohemian Creek
Location097111306
RouteCounty Highway 0
CountyHoward County
StateIowa
Coordinates43.22208, -92.09092
Functional classRural Major Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be 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 alignment7: Better than present minimum criteria
Operating rating51 US tons
Inventory rating30.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length92 ft (28 m)
Longest span35 ft (10.7 m)
Deck width33 ft (10 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic730 (2021)
Projected traffic730 by 2043
Trucks12%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 200th ST over Bohemian Creek built?

It was built in 1951, making it 74 years old in 2025.

What condition is 200th ST over Bohemian Creek 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 April 2023.

How much traffic does 200th ST over Bohemian Creek carry?

About 730 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is 200th ST over Bohemian Creek?

The structure is 92 ft (28 m) long with a longest span of 35 ft (10.7 m) and a deck 33 ft wide.

Who owns 200th ST over Bohemian Creek?

It is owned by the County Highway Agency.