US Bridges

FM over Little Cedar

Poor

Chickasaw County, Iowa · 095142103 · Structure no. 000000000111810

Built
1964
61 years old
Condition
Poor
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
183 ft
3 main spans
Daily traffic
579
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Little Cedar is a prestressed concrete stringer/multi-beam or girder carrying FM over Little Cedar in Chickasaw County, Iowa. It was built in 1964, so it is 61 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 579 vehicles a day, roughly 16% of them trucks, projected to reach 579 by 2043. The structure is 183 ft (55.8 m) long and 26 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesFM
CrossesLittle Cedar
Location095142103
RouteCounty Highway 0
StateIowa
Coordinates43.03324, -92.50379
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47 US tons
Inventory rating19.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length183 ft (55.8 m)
Longest span69 ft (21 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic579 (2022)
Projected traffic579 by 2043
Trucks16%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Little Cedar built?

It was built in 1964, making it 61 years old in 2025.

What condition is FM over Little Cedar 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 2023.

How much traffic does FM over Little Cedar carry?

About 579 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is FM over Little Cedar?

The structure is 183 ft (55.8 m) long with a longest span of 69 ft (21 m) and a deck 26 ft wide.

Who owns FM over Little Cedar?

It is owned by the County Highway Agency.