US Bridges

465th over Wapsipinicon River

Good

Mitchell County, Iowa · 100153303 · Structure no. 000000000248821

Built
2010
15 years old
Condition
Good
inspected December 2023
Type
Culvert
Steel
Length
29 ft
3 main spans
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

465th over Wapsipinicon River is a steel culvert carrying 465th over Wapsipinicon River in Mitchell County, Iowa. It was built in 2010, so it is 15 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 20 vehicles a day, projected to reach 20 by 2043. The structure is 29 ft (8.8 m) long and 42 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries465th
CrossesWapsipinicon River
Location100153303
RouteCounty Highway 0
StateIowa
Coordinates43.43598, -92.61474
Functional classRural Local

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 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.3 US tons
Inventory rating29.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span8 ft (2.4 m)
Deck width42 ft (12.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2022)
Projected traffic20 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 465th over Wapsipinicon River built?

It was built in 2010, making it 15 years old in 2025.

What condition is 465th over Wapsipinicon River 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 465th over Wapsipinicon River carry?

About 20 vehicles per day (2022 count).

How long is 465th over Wapsipinicon River?

The structure is 29 ft (8.8 m) long with a longest span of 8 ft (2.4 m) and a deck 42 ft wide.

Who owns 465th over Wapsipinicon River?

It is owned by the County Highway Agency.