US Bridges

190th ST over Drainage

Good

Plymouth County, Iowa · 9246220210 · Structure no. 000000000275005

Built
1935
90 years old, rebuilt 1959
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
26 ft
4 main spans
Daily traffic
359
2022 count
Owner
County
County Highway Agency

About this bridge

190th ST over Drainage is a concrete continuous culvert carrying 190th ST over Drainage in Plymouth County, Iowa. It was built in 1935 and reconstructed in 1959, so it is 90 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 359 vehicles a day, projected to reach 359 by 2043. The structure is 26 ft (8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Carries190th ST
CrossesDrainage
Location9246220210
RouteCounty Highway 0
StateIowa
Coordinates42.77309, -96.27271
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadUnknown
Structure length26 ft (8 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic359 (2022)
Projected traffic359 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$180,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 190th ST over Drainage built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1959.

What condition is 190th ST over Drainage in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does 190th ST over Drainage carry?

About 359 vehicles per day (2022 count).

How long is 190th ST over Drainage?

The structure is 26 ft (8 m) long with a longest span of 6 ft (1.8 m).

Who owns 190th ST over Drainage?

It is owned by the County Highway Agency.