US Bridges

Ia 17 over Prairie Creek

Good

Hancock County, Iowa · 2.9 Mi. S of Jct. US 18 · Structure no. 000000000026921

Built
1991
34 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete Continuous
Length
36 ft
2 main spans
Daily traffic
1,250
2023 count
Owner
State
State Highway Agency

About this bridge

Ia 17 over Prairie Creek is a concrete continuous culvert carrying Ia 17 over Prairie Creek in Hancock County, Iowa. It was built in 1991, so it is 34 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 1,250 vehicles a day, roughly 27% of them trucks, projected to reach 1,250 by 2043. The structure is 36 ft (11 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIa 17
CrossesPrairie Creek
Location2.9 Mi. S of Jct. US 18
RouteState Highway 17
StateIowa
Coordinates43.05393, -93.97085
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating30 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length36 ft (11 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,250 (2023)
Projected traffic1,250 by 2043
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 17 over Prairie Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Ia 17 over Prairie 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 August 2024.

How much traffic does Ia 17 over Prairie Creek carry?

About 1,250 vehicles per day (2023 count), of which roughly 27% are trucks.

How long is Ia 17 over Prairie Creek?

The structure is 36 ft (11 m) long with a longest span of 17 ft (5.2 m).

Who owns Ia 17 over Prairie Creek?

It is owned by the State Highway Agency.