US Bridges

FM over Little Cedar River

Poor

Floyd County, Iowa · 096151602 · Structure no. 000000000155151

Built
1974
51 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
280 ft
4 main spans
Daily traffic
1,414
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Little Cedar River is a steel continuous stringer/multi-beam or girder carrying FM over Little Cedar River in Floyd County, Iowa. It was built in 1974, so it is 51 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 1,414 vehicles a day, roughly 31% of them trucks, projected to reach 1,414 by 2044. The structure is 280 ft (85.3 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFM
CrossesLittle Cedar River
Location096151602
RouteCounty Highway 0
StateIowa
Coordinates43.14028, -92.63373
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.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50.3 US tons
Inventory rating32.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length280 ft (85.3 m)
Longest span78 ft (23.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,414 (2022)
Projected traffic1,414 by 2044
Trucks31%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Little Cedar River built?

It was built in 1974, making it 51 years old in 2025.

What condition is FM over Little Cedar River 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 2024.

How much traffic does FM over Little Cedar River carry?

About 1,414 vehicles per day (2022 count), of which roughly 31% are trucks.

How long is FM over Little Cedar River?

The structure is 280 ft (85.3 m) long with a longest span of 78 ft (23.8 m) and a deck 32 ft wide.

Who owns FM over Little Cedar River?

It is owned by the County Highway Agency.