US Bridges

220th Street over East Nodaway River

PoorPosted for load

Adams County, Iowa · 071340203 · Structure no. 000000000059045

Built
1930
95 years old
Condition
Poor
inspected January 2024
Type
Truss - Thru
Steel
Length
159 ft
1 main span
Daily traffic
33
2022 count
Owner
County
County Highway Agency

About this bridge

220th Street over East Nodaway River is a steel truss - thru carrying 220th Street over East Nodaway River in Adams County, Iowa. It was built in 1930, so it is 95 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 33 vehicles a day, projected to reach 33 by 2044. The structure is 159 ft (48.5 m) long and 17 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries220th Street
CrossesEast Nodaway River
Location071340203
RouteCity Street 0
StateIowa
Coordinates40.98638, -94.72891
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating12.6 US tons
Inventory rating8.6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length159 ft (48.5 m)
Longest span158 ft (48.2 m)
Deck width17 ft (5.2 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deck11 ft (3.3 m)

Traffic and service

Average daily traffic33 (2022)
Projected traffic33 by 2044
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 220th Street over East Nodaway River built?

It was built in 1930, making it 95 years old in 2025.

What condition is 220th Street over East Nodaway River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does 220th Street over East Nodaway River carry?

About 33 vehicles per day (2022 count).

How long is 220th Street over East Nodaway River?

The structure is 159 ft (48.5 m) long with a longest span of 158 ft (48.2 m) and a deck 17 ft wide.

Who owns 220th Street over East Nodaway River?

It is owned by the County Highway Agency.