US Bridges

FM over East Nodaway River

Good

Adair County, Iowa · 074312902 · Structure no. 000000000054861

Built
2005
20 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
71
2022 count
Owner
County
County Highway Agency

About this bridge

FM over East Nodaway River is a concrete continuous slab carrying FM over East Nodaway River in Adair County, Iowa. It was built in 2005, so it is 20 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 71 vehicles a day, projected to reach 71 by 2043. The structure is 100 ft (30.5 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM
CrossesEast Nodaway River
Location074312902
RouteCounty Highway 0
StateIowa
Coordinates41.17314, -94.45279
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating88.2 US tons
Inventory rating52.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span39 ft (11.9 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71 (2022)
Projected traffic71 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 East Nodaway River built?

It was built in 2005, making it 20 years old in 2025.

What condition is FM over East 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 April 2024.

How much traffic does FM over East Nodaway River carry?

About 71 vehicles per day (2022 count).

How long is FM over East Nodaway River?

The structure is 100 ft (30.5 m) long with a longest span of 39 ft (11.9 m) and a deck 27 ft wide.

Who owns FM over East Nodaway River?

It is owned by the County Highway Agency.