US Bridges

Ia 17 over Stream

Fair

Wright County, Iowa · 0.6 Mi. S of JCT SR C70 · Structure no. 000000000054410

Built
1960
65 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
2,570
2023 count
Owner
State
State Highway Agency

About this bridge

Ia 17 over Stream is a concrete continuous culvert carrying Ia 17 over Stream in Wright County, Iowa. It was built in 1960, so it is 65 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,570 vehicles a day, roughly 22% of them trucks, projected to reach 2,570 by 2043. The structure is 23 ft (7 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesIa 17
CrossesStream
Location0.6 Mi. S of JCT SR C70
RouteState Highway 17
CountyWright County
StateIowa
Coordinates42.56245, -93.91204
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.8 US tons
Inventory rating69.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,570 (2023)
Projected traffic2,570 by 2043
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Stream built?

It was built in 1960, making it 65 years old in 2025.

What condition is Ia 17 over Stream in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does Ia 17 over Stream carry?

About 2,570 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is Ia 17 over Stream?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m).

Who owns Ia 17 over Stream?

It is owned by the State Highway Agency.