FM over Crane Creek

Fair

Muscatine County, Iowa · 077032806 · Structure no. 000000000257621

Built: 1993; 32 years old
Condition: Fair; inspected September 2023
Type: Culvert; Concrete Continuous
Length: 29 ft; 2 main spans
Daily traffic: 400; 2022 count
Owner: County; County Highway Agency

About this bridge

FM over Crane Creek is a concrete continuous culvert carrying FM over Crane Creek in Muscatine County, Iowa. It was built in 1993, so it is 32 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 400 vehicles a day, roughly 11% of them trucks, projected to reach 400 by 2043. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesFM

CrossesCrane Creek

Location077032806

RouteCounty Highway 0

CountyMuscatine County

StateIowa

Coordinates41.44611, -91.21104

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
Channel and channel protection	7 Good	Some minor problems.
Culvert	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionSeptember 2023

Inspection intervalevery 48 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation6: Equal to present minimum criteria

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment7: Better than present minimum criteria

Operating rating48.6 US tons

Inventory rating36 US tons

Structure

Structure typeCulvert

MaterialConcrete Continuous

DeckNot applicable

Main spans2

Design loadHS 20

Structure length29 ft (8.8 m)

Longest span14 ft (4.3 m)

Deck width0 ft (0 m)

Roadway width0 ft (0 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2022)

Projected traffic400 by 2043

Trucks11%

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$30,000 (2024 estimate)

NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Crane Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is FM over Crane 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 September 2023.

How much traffic does FM over Crane Creek carry?

About 400 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is FM over Crane Creek?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m).

Who owns FM over Crane Creek?

It is owned by the County Highway Agency.