US Bridges

FM over Mink Creek

Fair

Plymouth County, Iowa · 093462801 · Structure no. 000000000277120

Built
1967
58 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
190
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Mink Creek is a concrete continuous slab carrying FM over Mink Creek in Plymouth County, Iowa. It was built in 1967, so it is 58 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 190 vehicles a day, roughly 13% of them trucks, projected to reach 190 by 2043. The structure is 100 ft (30.5 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM
CrossesMink Creek
Location093462801
RouteCounty Highway 0
StateIowa
Coordinates42.85089, -96.27506
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 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 evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating33.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span40 ft (12.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2022)
Projected traffic190 by 2043
Trucks13%
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 proposedNone recorded
Estimated improvement cost$390,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Mink Creek built?

It was built in 1967, making it 58 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 190 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is FM over Mink Creek?

The structure is 100 ft (30.5 m) long with a longest span of 40 ft (12.2 m) and a deck 30 ft wide.

Who owns FM over Mink Creek?

It is owned by the County Highway Agency.