US Bridges

Local over West Nodaway River

PoorPosted for load

Montgomery County, Iowa · 073361001 · Structure no. 000000000005620

Built
1924
101 years old
Condition
Poor
inspected June 2024
Type
Truss - Thru
Steel
Length
144 ft
1 main span
Daily traffic
58
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Local over West Nodaway River is a steel truss - thru carrying Local over West Nodaway River in Montgomery County, Iowa. It was built in 1924, so it is 101 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 58 vehicles a day, projected to reach 58 by 2044. The structure is 144 ft (43.9 m) long and 16 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesLocal
CrossesWest Nodaway River
Location073361001
RouteCity Street 0
StateIowa
Coordinates41.14465, -94.97827
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating29.4 US tons
Inventory rating16.3 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadUnknown
Structure length144 ft (43.9 m)
Longest span100 ft (30.5 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58 (2022)
Projected traffic58 by 2044
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$2.1 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over West Nodaway River built?

It was built in 1924, making it 101 years old in 2025.

What condition is Local over West 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 June 2024.

How much traffic does Local over West Nodaway River carry?

About 58 vehicles per day (2022 count).

How long is Local over West Nodaway River?

The structure is 144 ft (43.9 m) long with a longest span of 100 ft (30.5 m) and a deck 16 ft wide.

Who owns Local over West Nodaway River?

It is owned by the City or Municipal Highway Agency.