US Bridges

FM over Cub Creek

Good

Poweshiek County, Iowa · 080132902 · Structure no. 000000000293321

Built
2006
19 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Cub Creek is a concrete continuous culvert carrying FM over Cub Creek in Poweshiek County, Iowa. It was built in 2006, so it is 19 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 50 by 2043. The structure is 23 ft (7 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesFM
CrossesCub Creek
Location080132902
RouteCounty Highway 0
StateIowa
Coordinates41.70668, -92.39677
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic50 by 2043
Trucks0%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$30,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Cub Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is FM over Cub Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does FM over Cub Creek carry?

About 50 vehicles per day (2022 count).

How long is FM over Cub Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns FM over Cub Creek?

It is owned by the County Highway Agency.