US Bridges

FM over Mink Creek

Fair

Plymouth County, Iowa · 093462202 · Structure no. 000000000277070

Built
1961
64 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
559
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Mink Creek is a concrete culvert carrying FM over Mink Creek in Plymouth County, Iowa. It was built in 1961, so it is 64 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 559 vehicles a day, roughly 31% of them trucks, projected to reach 559 by 2043. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM
CrossesMink Creek
Location093462202
RouteCounty Highway 0
StateIowa
Coordinates42.85107, -96.27266
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.2 US tons
Inventory rating18.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.6 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 traffic559 (2022)
Projected traffic559 by 2043
Trucks31%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost$145,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Mink Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is FM over Mink 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 July 2023.

How much traffic does FM over Mink Creek carry?

About 559 vehicles per day (2022 count), of which roughly 31% are trucks.

How long is FM over Mink Creek?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3 m).

Who owns FM over Mink Creek?

It is owned by the County Highway Agency.