US Bridges

FM over West Fork Cedar River

Good

Butler County, Iowa · 092182104 · Structure no. 000000000089051

Built
2003
22 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
312 ft
3 main spans
Daily traffic
619
2022 count
Owner
County
County Highway Agency

About this bridge

FM over West Fork Cedar River is a prestressed concrete stringer/multi-beam or girder carrying FM over West Fork Cedar River in Butler County, Iowa. It was built in 2003, so it is 22 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 619 vehicles a day, projected to reach 619 by 2044. The structure is 312 ft (95.1 m) long and 32 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesFM
CrossesWest Fork Cedar River
Location092182104
RouteCounty Highway 0
StateIowa
Coordinates42.76776, -92.97604
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating67.2 US tons
Inventory rating40.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length312 ft (95.1 m)
Longest span107 ft (32.6 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic619 (2022)
Projected traffic619 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$1.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over West Fork Cedar River built?

It was built in 2003, making it 22 years old in 2025.

What condition is FM over West Fork Cedar River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does FM over West Fork Cedar River carry?

About 619 vehicles per day (2022 count).

How long is FM over West Fork Cedar River?

The structure is 312 ft (95.1 m) long with a longest span of 107 ft (32.6 m) and a deck 32 ft wide.

Who owns FM over West Fork Cedar River?

It is owned by the County Highway Agency.