US Bridges

Local over Little Muchakinock Creek

Good

Mahaska County, Iowa · 075162606 · Structure no. 000000000236571

Built
1988
37 years old
Condition
Good
inspected December 2024
Type
Slab
Concrete Continuous
Length
129 ft
3 main spans
Daily traffic
210
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Little Muchakinock Creek is a concrete continuous slab carrying Local over Little Muchakinock Creek in Mahaska County, Iowa. It was built in 1988, so it is 37 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 210 vehicles a day, projected to reach 210 by 2044. The structure is 129 ft (39.3 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLocal
CrossesLittle Muchakinock Creek
Location075162606
RouteCounty Highway 0
StateIowa
Coordinates41.27027, -92.66477
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating97.6 US tons
Inventory rating58.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length129 ft (39.3 m)
Longest span49 ft (14.9 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2022)
Projected traffic210 by 2044
Trucks0%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Little Muchakinock Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Local 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 Local over Little Muchakinock Creek carry?

About 210 vehicles per day (2022 count).

How long is Local over Little Muchakinock Creek?

The structure is 129 ft (39.3 m) long with a longest span of 49 ft (14.9 m) and a deck 33 ft wide.

Who owns Local over Little Muchakinock Creek?

It is owned by the County Highway Agency.