US Bridges

Ia 224 over Coon Creek

Good

Jasper County, Iowa · 0.8 MI North of JCT US 6 · Structure no. 000000000197831

Built
1992
33 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
850
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 224 over Coon Creek is a concrete continuous culvert carrying Ia 224 over Coon Creek in Jasper County, Iowa. It was built in 1992, so it is 33 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 850 vehicles a day, roughly 14% of them trucks, projected to reach 850 by 2044. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesIa 224
CrossesCoon Creek
Location0.8 MI North of JCT US 6
RouteState Highway 224
StateIowa
Coordinates41.71866, -92.90289
Functional classRural 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
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 alignment7: Better than present minimum criteria
Operating rating41.1 US tons
Inventory rating31.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2022)
Projected traffic850 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ia 224 over Coon Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Ia 224 over Coon 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 May 2024.

How much traffic does Ia 224 over Coon Creek carry?

About 850 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Ia 224 over Coon Creek?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m).

Who owns Ia 224 over Coon Creek?

It is owned by the State Highway Agency.