FM over Flood Creek

Poor

Floyd County, Iowa · 096171906 · Structure no. 000000000155470

Built: 1975; 50 years old
Condition: Poor; inspected March 2023
Type: Slab; Concrete Continuous
Length: 116 ft; 3 main spans
Daily traffic: 491; 2022 count
Owner: County; County Highway Agency

About this bridge

FM over Flood Creek is a concrete continuous slab carrying FM over Flood Creek in Floyd County, Iowa. It was built in 1975, so it is 50 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 491 vehicles a day, roughly 9% of them trucks, projected to reach 491 by 2043. The structure is 116 ft (35.4 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesFM

CrossesFlood Creek

Location096171906

RouteCounty Highway 0

CountyFloyd County

StateIowa

Coordinates43.11308, -92.90552

Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

Component	Rating	Meaning
Deck	4 Poor	Advanced section loss, deterioration, spalling or scour.
Superstructure	4 Poor	Advanced section loss, deterioration, spalling or scour.
Substructure	7 Good	Some minor problems.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionMarch 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

Deck geometry6: Equal to present minimum criteria

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating54 US tons

Inventory rating31.5 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadH 20

Structure length116 ft (35.4 m)

Longest span44 ft (13.4 m)

Deck width32 ft (9.8 m)

Roadway width30 ft (9.1 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic491 (2022)

Projected traffic491 by 2043

Trucks9%

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 proposedReplacement because of substandard load-carrying capacity or roadway geometry

Estimated improvement cost—

NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Flood Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is FM over Flood Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does FM over Flood Creek carry?

About 491 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is FM over Flood Creek?

The structure is 116 ft (35.4 m) long with a longest span of 44 ft (13.4 m) and a deck 32 ft wide.

Who owns FM over Flood Creek?

It is owned by the County Highway Agency.