US Bridges

110th Street over Middle Nodaway River

PoorClosed to traffic

Adams County, Iowa · 073330703 · Structure no. 000000000060570

Built
1920
105 years old
Condition
Poor
inspected December 2020
Type
Truss - Thru
Steel
Length
164 ft
1 main span
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

110th Street over Middle Nodaway River is a steel truss - thru carrying 110th Street over Middle Nodaway River in Adams County, Iowa. It was built in 1920, so it is 105 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 0 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: closed to all traffic.

It carries about 30 vehicles a day, projected to reach 30 by 2043. The structure is 164 ft (50 m) long and 17 ft wide. If it were closed, the detour would be 5 mi (8 km).

Carries110th Street
CrossesMiddle Nodaway River
Location073330703
RouteCounty Highway 0
StateIowa
Coordinates41.14267, -94.68667
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
Deck0 FailedOut of service and beyond corrective action.
Superstructure0 FailedOut of service and beyond corrective action.
Substructure0 FailedOut of service and beyond corrective action.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2020
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation0: Immediate repair necessary to put back in service
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+1 approach)
Design loadUnknown
Structure length164 ft (50 m)
Longest span123 ft (37.5 m)
Deck width17 ft (5.1 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deck11 ft (3.4 m)

Traffic and service

Average daily traffic30 (2023)
Projected traffic30 by 2043
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was 110th Street over Middle Nodaway River built?

It was built in 1920, making it 105 years old in 2025.

What condition is 110th Street over Middle 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 December 2020.

How much traffic does 110th Street over Middle Nodaway River carry?

About 30 vehicles per day (2023 count).

How long is 110th Street over Middle Nodaway River?

The structure is 164 ft (50 m) long with a longest span of 123 ft (37.5 m) and a deck 17 ft wide.

Who owns 110th Street over Middle Nodaway River?

It is owned by the County Highway Agency.