US Bridges

FM over Little Cedar River

Fair

Floyd County, Iowa · 097153102 · Structure no. 000000000155880

Built
1959
66 years old, rebuilt 2009
Condition
Fair
inspected March 2024
Type
Girder and Floorbeam System
Steel
Length
99 ft
1 main span
Daily traffic
79
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Little Cedar River is a steel girder and floorbeam system carrying FM over Little Cedar River in Floyd County, Iowa. It was built in 1959 and reconstructed in 2009, so it is 66 years old, older 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 79 vehicles a day, projected to reach 79 by 2044. The structure is 99 ft (30.2 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesFM
CrossesLittle Cedar River
Location097153102
RouteCounty Highway 0
CountyFloyd County
StateIowa
Coordinates43.17021, -92.67253
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.3 US tons
Inventory rating20 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length99 ft (30.2 m)
Longest span98 ft (29.9 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79 (2022)
Projected traffic79 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$1.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Little Cedar River built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2009.

What condition is FM over Little Cedar River 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 March 2024.

How much traffic does FM over Little Cedar River carry?

About 79 vehicles per day (2022 count).

How long is FM over Little Cedar River?

The structure is 99 ft (30.2 m) long with a longest span of 98 ft (29.9 m) and a deck 22 ft wide.

Who owns FM over Little Cedar River?

It is owned by the County Highway Agency.