US Bridges

220th Ave over Deep Creek

Good

Clinton County, Iowa · 082E30602 · Structure no. 000000000123442

Built
2013
12 years old
Condition
Good
inspected February 2024
Type
Slab
Steel
Length
44 ft
1 main span
Daily traffic
35
2022 count
Owner
County
County Highway Agency

About this bridge

220th Ave over Deep Creek is a steel slab carrying 220th Ave over Deep Creek in Clinton 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 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 35 vehicles a day, projected to reach 35 by 2044. The structure is 44 ft (13.3 m) long and 31 ft wide.

Carries220th Ave
CrossesDeep Creek
Location082E30602
RouteCounty Highway 0
StateIowa
Coordinates41.94463, -90.66475
Functional classRural Minor 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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating33.6 US tons

Structure

Structure typeSlab
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length44 ft (13.3 m)
Longest span41 ft (12.5 m)
Deck width31 ft (9.6 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2022)
Projected traffic35 by 2044
Trucks0%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 220th Ave over Deep Creek built?

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

What condition is 220th Ave over Deep Creek 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 2024.

How much traffic does 220th Ave over Deep Creek carry?

About 35 vehicles per day (2022 count).

How long is 220th Ave over Deep Creek?

The structure is 44 ft (13.3 m) long with a longest span of 41 ft (12.5 m) and a deck 31 ft wide.

Who owns 220th Ave over Deep Creek?

It is owned by the County Highway Agency.