US Bridges

190th ST over Small Stream

Good

Clinton County, Iowa · 082E22101 · Structure no. 000000000123251

Built
1992
33 years old
Condition
Good
inspected February 2021
Type
Culvert
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
420
2022 count
Owner
County
County Highway Agency

About this bridge

190th ST over Small Stream is a prestressed concrete culvert carrying 190th ST over Small Stream in Clinton County, Iowa. It was built in 1992, so it is 33 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 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 420 vehicles a day, projected to reach 420 by 2043. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
Carries190th ST
CrossesSmall Stream
Location082E22101
RouteCounty Highway 0
CountyClinton County
StateIowa
Coordinates41.902, -90.73792
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 inspectionFebruary 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.2 US tons
Inventory rating40.8 US tons

Structure

Structure typeCulvert
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2022)
Projected traffic420 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-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 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 190th ST over Small Stream built?

It was built in 1992, making it 33 years old in 2025.

What condition is 190th ST over Small Stream 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 February 2021.

How much traffic does 190th ST over Small Stream carry?

About 420 vehicles per day (2022 count).

How long is 190th ST over Small Stream?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m).

Who owns 190th ST over Small Stream?

It is owned by the County Highway Agency.