FM over Cedar Creek

Fair

Mahaska County, Iowa · 076141201 · Structure no. 000000000236961

Built: 2000; 25 years old
Condition: Fair; inspected January 2025
Type: Slab; Concrete Continuous
Length: 103 ft; 3 main spans
Daily traffic: 370; 2022 count
Owner: County; County Highway Agency

About this bridge

FM over Cedar Creek is a concrete continuous slab carrying FM over Cedar Creek in Mahaska County, Iowa. It was built in 2000, so it is 25 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 5 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 370 vehicles a day, projected to reach 370 by 2045. The structure is 103 ft (31.4 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesFM

CrossesCedar Creek

Location076141201

RouteCounty Highway 0

CountyMahaska County

StateIowa

Coordinates41.40851, -92.42481

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	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure	8 Very Good	No problems noted.
Channel and channel protection	8 Very Good	No problems noted.

Last inspectionJanuary 2025

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating98.5 US tons

Inventory rating59 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHS 20

Structure length103 ft (31.4 m)

Longest span39 ft (11.9 m)

Deck width33 ft (10.1 m)

Roadway width31 ft (9.3 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic370 (2022)

Projected traffic370 by 2045

Trucks0%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed6.8 mi (11 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 Cedar Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is FM over Cedar 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 January 2025.

How much traffic does FM over Cedar Creek carry?

About 370 vehicles per day (2022 count).

How long is FM over Cedar Creek?

The structure is 103 ft (31.4 m) long with a longest span of 39 ft (11.9 m) and a deck 33 ft wide.

Who owns FM over Cedar Creek?

It is owned by the County Highway Agency.