US Bridges

B17 190th ST over Wapsipinicon River

Good

Howard County, Iowa · 097140801 · Structure no. 000000000181961

Built
2023
2 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
204 ft
3 main spans
Daily traffic
638
2022 count
Owner
County
County Highway Agency

About this bridge

B17 190th ST over Wapsipinicon River is a prestressed concrete stringer/multi-beam or girder carrying B17 190th ST over Wapsipinicon River in Howard County, Iowa. It was built in 2023, so it is 2 years old, younger 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 638 vehicles a day, roughly 15% of them trucks, projected to reach 638 by 2043. The structure is 204 ft (62.3 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesB17 190th ST
CrossesWapsipinicon River
Location097140801
RouteCounty Highway 0
CountyHoward County
StateIowa
Coordinates43.24198, -92.53353
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating54.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length204 ft (62.3 m)
Longest span73 ft (22.3 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic638 (2022)
Projected traffic638 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$30,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was B17 190th ST over Wapsipinicon River built?

It was built in 2023, making it 2 years old in 2025.

What condition is B17 190th ST over Wapsipinicon River 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 October 2023.

How much traffic does B17 190th ST over Wapsipinicon River carry?

About 638 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is B17 190th ST over Wapsipinicon River?

The structure is 204 ft (62.3 m) long with a longest span of 73 ft (22.3 m) and a deck 33 ft wide.

Who owns B17 190th ST over Wapsipinicon River?

It is owned by the County Highway Agency.