US Bridges

Fm-Filbert Ave over Middle Nodaway River

Fair

Adams County, Iowa · 072340702 · Structure no. 000000000059971

Built
1974
51 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
254 ft
3 main spans
Daily traffic
45
2022 count
Owner
County
County Highway Agency

About this bridge

Fm-Filbert Ave over Middle Nodaway River is a steel continuous stringer/multi-beam or girder carrying Fm-Filbert Ave over Middle Nodaway River in Adams County, Iowa. It was built in 1974, so it is 51 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 45 vehicles a day, projected to reach 45 by 2044. The structure is 254 ft (77.4 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFm-Filbert Ave
CrossesMiddle Nodaway River
Location072340702
RouteCounty Highway 0
StateIowa
Coordinates41.05654, -94.81496
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.8 US tons
Inventory rating23.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length254 ft (77.4 m)
Longest span98 ft (29.9 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2022)
Projected traffic45 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$2.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Fm-Filbert Ave over Middle Nodaway River built?

It was built in 1974, making it 51 years old in 2025.

What condition is Fm-Filbert Ave over Middle Nodaway River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does Fm-Filbert Ave over Middle Nodaway River carry?

About 45 vehicles per day (2022 count).

How long is Fm-Filbert Ave over Middle Nodaway River?

The structure is 254 ft (77.4 m) long with a longest span of 98 ft (29.9 m) and a deck 25 ft wide.

Who owns Fm-Filbert Ave over Middle Nodaway River?

It is owned by the County Highway Agency.