US Bridges

Ia 17 over Prairie Creek

Good

Wright County, Iowa · 1.0 Mi. N of Jct. SR C26 · Structure no. 000000000054471

Built
2022
3 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
179 ft
3 main spans
Daily traffic
1,230
2023 count
Owner
State
State Highway Agency

About this bridge

Ia 17 over Prairie Creek is a prestressed concrete stringer/multi-beam or girder carrying Ia 17 over Prairie Creek in Wright County, Iowa. It was built in 2022, so it is 3 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 1,230 vehicles a day, roughly 46% of them trucks, projected to reach 1,230 by 2043. The structure is 179 ft (54.7 m) long and 43 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesIa 17
CrossesPrairie Creek
Location1.0 Mi. N of Jct. SR C26
RouteState Highway 17
StateIowa
Coordinates42.84786, -93.97147
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating45.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length179 ft (54.7 m)
Longest span65 ft (19.8 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,230 (2023)
Projected traffic1,230 by 2043
Trucks46%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 2022, making it 3 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 February 2023.

How much traffic does Ia 17 over Prairie Creek carry?

About 1,230 vehicles per day (2023 count), of which roughly 46% are trucks.

How long is Ia 17 over Prairie Creek?

The structure is 179 ft (54.7 m) long with a longest span of 65 ft (19.8 m) and a deck 43 ft wide.

Who owns Ia 17 over Prairie Creek?

It is owned by the State Highway Agency.