US Bridges

FM over Cedar Creek

PoorPosted for load

Jefferson County, Iowa · 071093604 · Structure no. 000000000200250

Built
1957
68 years old
Condition
Poor
inspected February 2023
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
254 ft
3 main spans
Daily traffic
340
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Cedar Creek is a concrete continuous stringer/multi-beam or girder carrying FM over Cedar Creek in Jefferson County, Iowa. It was built in 1957, so it is 68 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. Its operating status is: posted for other load-capacity restriction.

It carries about 340 vehicles a day, roughly 22% of them trucks, projected to reach 340 by 2043. The structure is 254 ft (77.4 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFM
CrossesCedar Creek
Location071093604
RouteCounty Highway 0
StateIowa
Coordinates40.91115, -91.84509
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
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 rating34.5 US tons
Inventory rating0 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length254 ft (77.4 m)
Longest span100 ft (30.5 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2022)
Projected traffic340 by 2043
Trucks22%
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 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 Cedar Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is FM over Cedar Creek 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 February 2023.

How much traffic does FM over Cedar Creek carry?

About 340 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is FM over Cedar Creek?

The structure is 254 ft (77.4 m) long with a longest span of 100 ft (30.5 m) and a deck 23 ft wide.

Who owns FM over Cedar Creek?

It is owned by the County Highway Agency.