US Bridges

Tulip Avenue over East Nodaway River

PoorPosted for load

Adams County, Iowa · 072320902 · Structure no. 000000000059421

Built
1976
49 years old
Condition
Poor
inspected February 2024
Type
Truss - Thru
Steel
Length
92 ft
1 main span
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

Tulip Avenue over East Nodaway River is a steel truss - thru carrying Tulip Avenue over East Nodaway River in Adams County, Iowa. It was built in 1976, so it is 49 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 3 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 26 vehicles a day, projected to reach 26 by 2044. The structure is 92 ft (28 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTulip Avenue
CrossesEast Nodaway River
Location072320902
RouteCounty Highway 0
StateIowa
Coordinates41.05027, -94.54725
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
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 inspectionFebruary 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating4 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadOther
Structure length92 ft (28 m)
Longest span90 ft (27.4 m)
Deck width21 ft (6.5 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Tulip Avenue over East Nodaway River built?

It was built in 1976, making it 49 years old in 2025.

What condition is Tulip Avenue 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 February 2024.

How much traffic does Tulip Avenue over East Nodaway River carry?

About 26 vehicles per day (2022 count).

How long is Tulip Avenue over East Nodaway River?

The structure is 92 ft (28 m) long with a longest span of 90 ft (27.4 m) and a deck 21 ft wide.

Who owns Tulip Avenue over East Nodaway River?

It is owned by the County Highway Agency.