US Bridges

230th ST over Crane Creek

Good

Cerro Gordo County, Iowa · 0962134 · Structure no. 000000000365835

Built
2012
13 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
39
2022 count
Owner
County
County Highway Agency

About this bridge

230th ST over Crane Creek is a concrete culvert carrying 230th ST over Crane Creek in Cerro Gordo County, Iowa. It was built in 2012, so it is 13 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 39 vehicles a day, projected to reach 39 by 2044. The structure is 23 ft (6.9 m) long.

Carries230th ST
CrossesCrane Creek
Location0962134
RouteCounty Highway 0
StateIowa
Coordinates43.09749, -93.31049
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (6.9 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 traffic39 (2022)
Projected traffic39 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 230th ST over Crane Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is 230th ST over Crane 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 February 2024.

How much traffic does 230th ST over Crane Creek carry?

About 39 vehicles per day (2022 count).

How long is 230th ST over Crane Creek?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m).

Who owns 230th ST over Crane Creek?

It is owned by the County Highway Agency.