US Bridges

190th Street over Drainage

Good

Clinton County, Iowa · 082E22301 · Structure no. 000000000123280

Built
1958
67 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
490
2022 count
Owner
County
County Highway Agency

About this bridge

190th Street over Drainage is a concrete culvert carrying 190th Street over Drainage in Clinton County, Iowa. It was built in 1958, so it is 67 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 490 vehicles a day, roughly 12% of them trucks, projected to reach 490 by 2045. The structure is 27 ft (8.2 m) long.

Carries190th Street
CrossesDrainage
Location082E22301
RouteCounty Highway 0
StateIowa
Coordinates41.90174, -90.70387
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.9 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic490 (2022)
Projected traffic490 by 2045
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 190th Street over Drainage built?

It was built in 1958, making it 67 years old in 2025.

What condition is 190th Street 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 January 2025.

How much traffic does 190th Street over Drainage carry?

About 490 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is 190th Street over Drainage?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns 190th Street over Drainage?

It is owned by the County Highway Agency.