US Bridges

FM over Ioway Creek

Fair

Hamilton County, Iowa · 086262202 · Structure no. 000000000171091

Built
1982
43 years old
Condition
Fair
inspected September 2020
Type
Culvert
Steel
Length
23 ft
1 main span
Daily traffic
559
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Ioway Creek is a steel culvert carrying FM over Ioway Creek in Hamilton County, Iowa. It was built in 1982, so it is 43 years old, younger 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 559 vehicles a day, roughly 6% of them trucks, projected to reach 559 by 2043. The structure is 23 ft (7 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFM
CrossesIoway Creek
Location086262202
RouteCounty Highway 0
StateIowa
Coordinates42.25011, -93.87421
Functional classRural Major 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 inspectionSeptember 2020
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.4 US tons
Inventory rating62.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadH 20
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic559 (2022)
Projected traffic559 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Ioway Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is FM over Ioway Creek 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 September 2020.

How much traffic does FM over Ioway Creek carry?

About 559 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is FM over Ioway Creek?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m).

Who owns FM over Ioway Creek?

It is owned by the County Highway Agency.