FM over Skunk Creek

Fair

Floyd County, Iowa · 097172502 · Structure no. 000000000156011

Built: 1985; 40 years old
Condition: Fair; inspected March 2023
Type: Slab; Concrete Continuous
Length: 78 ft; 3 main spans
Daily traffic: 1,365; 2022 count
Owner: County; County Highway Agency

About this bridge

FM over Skunk Creek is a concrete continuous slab carrying FM over Skunk Creek in Floyd County, Iowa. It was built in 1985, so it is 40 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 1,365 vehicles a day, roughly 17% of them trucks, projected to reach 1,365 by 2043. The structure is 78 ft (23.8 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesFM

CrossesSkunk Creek

Location097172502

RouteCounty Highway 0

CountyFloyd County

StateIowa

Coordinates43.19781, -92.81034

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.

Component	Rating	Meaning
Deck	6 Satisfactory	Structural elements show some minor deterioration.
Superstructure	6 Satisfactory	Structural elements show some minor deterioration.
Substructure	7 Good	Some minor problems.
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionMarch 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation6: Equal to present minimum criteria

Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is

Operating rating58.5 US tons

Inventory rating34.3 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadH 20

Structure length78 ft (23.8 m)

Longest span29 ft (8.8 m)

Deck width33 ft (10.1 m)

Roadway width30 ft (9.1 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,365 (2022)

Projected traffic1,365 by 2043

Trucks17%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed3.7 mi (6 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 Skunk Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is FM over Skunk 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 March 2023.

How much traffic does FM over Skunk Creek carry?

About 1,365 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is FM over Skunk Creek?

The structure is 78 ft (23.8 m) long with a longest span of 29 ft (8.8 m) and a deck 33 ft wide.

Who owns FM over Skunk Creek?

It is owned by the County Highway Agency.