US Bridges

FM over Cedar Creek

Fair

Keokuk County, Iowa · 076131902 · Structure no. 000000000212430

Built
1930
95 years old, rebuilt 2001
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
55 ft
1 main span
Daily traffic
40
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Cedar Creek is a steel stringer/multi-beam or girder carrying FM over Cedar Creek in Keokuk County, Iowa. It was built in 1930 and reconstructed in 2001, so it is 95 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 6 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 40 vehicles a day, projected to reach 40 by 2043. The structure is 55 ft (16.8 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesFM
CrossesCedar Creek
Location076131902
RouteCounty Highway 0
CountyKeokuk County
StateIowa
Coordinates41.37574, -92.41137
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.4 US tons
Inventory rating27.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length55 ft (16.8 m)
Longest span54 ft (16.5 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2022)
Projected traffic40 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Cedar Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 2001.

What condition is FM over Cedar Creek 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 2023.

How much traffic does FM over Cedar Creek carry?

About 40 vehicles per day (2022 count).

How long is FM over Cedar Creek?

The structure is 55 ft (16.8 m) long with a longest span of 54 ft (16.5 m) and a deck 24 ft wide.

Who owns FM over Cedar Creek?

It is owned by the County Highway Agency.