US Bridges

FM over N Fork Floyd River

Fair

Osceola County, Iowa · 098413401 · Structure no. 000000000262690

Built
1969
56 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
190
2022 count
Owner
County
County Highway Agency

About this bridge

FM over N Fork Floyd River is a concrete continuous culvert carrying FM over N Fork Floyd River in Osceola County, Iowa. It was built in 1969, so it is 56 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 6 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 190 vehicles a day, roughly 25% of them trucks, projected to reach 190 by 2044. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM
CrossesN Fork Floyd River
Location098413401
RouteCounty Highway 0
StateIowa
Coordinates43.27283, -95.68054
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.6 US tons
Inventory rating22.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2022)
Projected traffic190 by 2044
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over N Fork Floyd River built?

It was built in 1969, making it 56 years old in 2025.

What condition is FM over N Fork Floyd 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 November 2024.

How much traffic does FM over N Fork Floyd River carry?

About 190 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is FM over N Fork Floyd River?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m).

Who owns FM over N Fork Floyd River?

It is owned by the County Highway Agency.