US Bridges

FM over Rat Creek

Fair

Osceola County, Iowa · 098420401 · Structure no. 000000000262741

Built
1990
35 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
578
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Rat Creek is a concrete continuous culvert carrying FM over Rat Creek in Osceola County, Iowa. It was built in 1990, so it is 35 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 578 vehicles a day, roughly 16% of them trucks, projected to reach 578 by 2044. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM
CrossesRat Creek
Location098420401
RouteCounty Highway 0
StateIowa
Coordinates43.34564, -95.81518
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 inspectionNovember 2024
Inspection intervalevery 24 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 rating35.6 US tons
Inventory rating35.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic578 (2022)
Projected traffic578 by 2044
Trucks16%
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 Rat Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is FM over Rat 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 November 2024.

How much traffic does FM over Rat Creek carry?

About 578 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is FM over Rat Creek?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m).

Who owns FM over Rat Creek?

It is owned by the County Highway Agency.