US Bridges

FM over W Nodaway River

Good

Montgomery County, Iowa · 072360901 · Structure no. 000000000255071

Built
1999
26 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
273 ft
3 main spans
Daily traffic
60
2022 count
Owner
County
County Highway Agency

About this bridge

FM over W Nodaway River is a prestressed concrete stringer/multi-beam or girder carrying FM over W Nodaway River in Montgomery County, Iowa. It was built in 1999, so it is 26 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 60 vehicles a day, projected to reach 60 by 2044. The structure is 273 ft (83.2 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFM
CrossesW Nodaway River
Location072360901
RouteCounty Highway 0
StateIowa
Coordinates41.05908, -94.99102
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.7 US tons
Inventory rating42.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length273 ft (83.2 m)
Longest span112 ft (34.1 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2022)
Projected traffic60 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-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 statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over W Nodaway River built?

It was built in 1999, making it 26 years old in 2025.

What condition is FM over W Nodaway River 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 May 2024.

How much traffic does FM over W Nodaway River carry?

About 60 vehicles per day (2022 count).

How long is FM over W Nodaway River?

The structure is 273 ft (83.2 m) long with a longest span of 112 ft (34.1 m) and a deck 33 ft wide.

Who owns FM over W Nodaway River?

It is owned by the County Highway Agency.