US Bridges

Ia 122 over Cheslea Creek

Good

Cerro Gordo County, Iowa · 1.2 Mi. W of US 65 · Structure no. 000000000018791

Built
2010
15 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
18,800
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 122 over Cheslea Creek is a concrete continuous culvert carrying Ia 122 over Cheslea Creek in Cerro Gordo 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 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 18,800 vehicles a day, roughly 2% of them trucks, projected to reach 18,800 by 2042. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIa 122
CrossesCheslea Creek
Location1.2 Mi. W of US 65
RouteState Highway 122
StateIowa
Coordinates43.14836, -93.22486
Functional classUrban Other Principal Arterial

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 protection9 ExcellentNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating34.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,800 (2022)
Projected traffic18,800 by 2042
Trucks2%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ia 122 over Cheslea Creek built?

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

What condition is Ia 122 over Cheslea 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 2023.

How much traffic does Ia 122 over Cheslea Creek carry?

About 18,800 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Ia 122 over Cheslea Creek?

The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.7 m).

Who owns Ia 122 over Cheslea Creek?

It is owned by the State Highway Agency.