US Bridges

FM over Wapsipinicon River

FairPosted for load

Chickasaw County, Iowa · 095133301 · Structure no. 000000000111700

Built
1947
78 years old, rebuilt 1990
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
183 ft
3 main spans
Daily traffic
98
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Wapsipinicon River is a steel continuous stringer/multi-beam or girder carrying FM over Wapsipinicon River in Chickasaw County, Iowa. It was built in 1947 and reconstructed in 1990, so it is 78 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. Its operating status is: posted for load restriction.

It carries about 98 vehicles a day, projected to reach 98 by 2043. The structure is 183 ft (55.8 m) long and 23 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesFM
CrossesWapsipinicon River
Location095133301
RouteCounty Highway 0
StateIowa
Coordinates43.00845, -92.38931
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating26.7 US tons
Inventory rating15.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length183 ft (55.8 m)
Longest span70 ft (21.3 m)
Deck width23 ft (7.1 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic98 (2022)
Projected traffic98 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Wapsipinicon River built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1990.

What condition is FM over Wapsipinicon 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 April 2023.

How much traffic does FM over Wapsipinicon River carry?

About 98 vehicles per day (2022 count).

How long is FM over Wapsipinicon River?

The structure is 183 ft (55.8 m) long with a longest span of 70 ft (21.3 m) and a deck 23 ft wide.

Who owns FM over Wapsipinicon River?

It is owned by the County Highway Agency.