US Bridges

12th ST NE over Ideal Creek

Good

Cerro Gordo County, Iowa · 000000000 · Structure no. 000000000008046

Built
2023
2 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete Continuous
Length
91 ft
3 main spans
Daily traffic
2,128
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

12th ST NE over Ideal Creek is a concrete continuous slab carrying 12th ST NE over Ideal Creek in Cerro Gordo County, Iowa. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,128 vehicles a day, projected to reach 2,128 by 2042. The structure is 91 ft (27.7 m) long and 33 ft wide.

Carries12th ST NE
CrossesIdeal Creek
Location000000000
RouteCity Street 0
StateIowa
Coordinates43.16257, -93.14611
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length91 ft (27.7 m)
Longest span35 ft (10.7 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,128 (2022)
Projected traffic2,128 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 12th ST NE over Ideal Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is 12th ST NE over Ideal 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 January 2024.

How much traffic does 12th ST NE over Ideal Creek carry?

About 2,128 vehicles per day (2022 count).

How long is 12th ST NE over Ideal Creek?

The structure is 91 ft (27.7 m) long with a longest span of 35 ft (10.7 m) and a deck 33 ft wide.

Who owns 12th ST NE over Ideal Creek?

It is owned by the City or Municipal Highway Agency.