US Bridges

FM over Wapsinonoc Creek

Fair

Cedar County, Iowa · 079042002 · Structure no. 000000000102210

Built
1956
69 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
46 ft
3 main spans
Daily traffic
2,480
2021 count
Owner
County
County Highway Agency

About this bridge

FM over Wapsinonoc Creek is a concrete continuous culvert carrying FM over Wapsinonoc Creek in Cedar County, Iowa. It was built in 1956, so it is 69 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 2,480 vehicles a day, roughly 16% of them trucks, projected to reach 2,480 by 2043. The structure is 46 ft (14 m) long and 38 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFM
CrossesWapsinonoc Creek
Location079042002
RouteCounty Highway 0
StateIowa
Coordinates41.63989, -91.34676
Functional classRural Major 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 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 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 rating58.2 US tons
Inventory rating34.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 20
Structure length46 ft (14 m)
Longest span14 ft (4.3 m)
Deck width38 ft (11.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,480 (2021)
Projected traffic2,480 by 2043
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Wapsinonoc Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is FM over Wapsinonoc 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 May 2023.

How much traffic does FM over Wapsinonoc Creek carry?

About 2,480 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is FM over Wapsinonoc Creek?

The structure is 46 ft (14 m) long with a longest span of 14 ft (4.3 m) and a deck 38 ft wide.

Who owns FM over Wapsinonoc Creek?

It is owned by the County Highway Agency.