US Bridges

Ia 224 over North Skunk River

Good

Jasper County, Iowa · 0.2 Miles North of US 6 · Structure no. 000000000030831

Built
1992
33 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
328 ft
4 main spans
Daily traffic
2,090
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 224 over North Skunk River is a prestressed concrete stringer/multi-beam or girder carrying Ia 224 over North Skunk River 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 2,090 vehicles a day, roughly 6% of them trucks, projected to reach 2,090 by 2042. The structure is 328 ft (100 m) long and 43 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesIa 224
CrossesNorth Skunk River
Location0.2 Miles North of US 6
RouteState Highway 224
StateIowa
Coordinates41.7098, -92.90295
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.5 US tons
Inventory rating43.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length328 ft (100 m)
Longest span82 ft (25 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,090 (2022)
Projected traffic2,090 by 2042
Trucks6%
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 North Skunk River built?

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

What condition is Ia 224 over North Skunk 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 May 2023.

How much traffic does Ia 224 over North Skunk River carry?

About 2,090 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Ia 224 over North Skunk River?

The structure is 328 ft (100 m) long with a longest span of 82 ft (25 m) and a deck 43 ft wide.

Who owns Ia 224 over North Skunk River?

It is owned by the State Highway Agency.