US Bridges

FM over Little Muchakinock Creek

Good

Mahaska County, Iowa · 075163502 · Structure no. 000000000236661

Built
2007
18 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
200
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Little Muchakinock Creek is a concrete continuous culvert carrying FM over Little Muchakinock Creek in Mahaska County, Iowa. It was built in 2007, so it is 18 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 200 vehicles a day, projected to reach 200 by 2044. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM
CrossesLittle Muchakinock Creek
Location075163502
RouteCounty Highway 0
StateIowa
Coordinates41.26139, -92.6794
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic200 by 2044
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 Little Muchakinock Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is FM over Little Muchakinock Creek 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 December 2024.

How much traffic does FM over Little Muchakinock Creek carry?

About 200 vehicles per day (2022 count).

How long is FM over Little Muchakinock Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns FM over Little Muchakinock Creek?

It is owned by the County Highway Agency.