US Bridges

D22 (220th St) over Drainage Ditch

Good

Buchanan County, Iowa · 088080305 · Structure no. 000000000015861

Built
2013
12 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
1,420
2021 count
Owner
County
County Highway Agency

About this bridge

D22 (220th St) over Drainage Ditch is a concrete continuous culvert carrying D22 (220th St) over Drainage Ditch in Buchanan County, Iowa. It was built in 2013, so it is 12 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 1,420 vehicles a day, roughly 15% of them trucks, projected to reach 1,420 by 2043. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesD22 (220th St)
CrossesDrainage Ditch
Location088080305
RouteCounty Highway 0
StateIowa
Coordinates42.46675, -91.76426
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 inspectionApril 2023
Inspection intervalevery 24 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 rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,420 (2021)
Projected traffic1,420 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 D22 (220th St) over Drainage Ditch built?

It was built in 2013, making it 12 years old in 2025.

What condition is D22 (220th St) over Drainage Ditch 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 April 2023.

How much traffic does D22 (220th St) over Drainage Ditch carry?

About 1,420 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is D22 (220th St) over Drainage Ditch?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns D22 (220th St) over Drainage Ditch?

It is owned by the County Highway Agency.