US Bridges

Ia 10 over Stream

Fair

Sioux County, Iowa · 0.4 Mi. W of Jct. US 75 · Structure no. 000000000048511

Built
1989
36 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
1,900
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 10 over Stream is a concrete continuous culvert carrying Ia 10 over Stream in Sioux County, Iowa. It was built in 1989, so it is 36 years old, younger 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 1,900 vehicles a day, roughly 19% of them trucks, projected to reach 1,900 by 2044. The structure is 33 ft (10.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesIa 10
CrossesStream
Location0.4 Mi. W of Jct. US 75
RouteState Highway 10
CountySioux County
StateIowa
Coordinates42.99717, -96.18133
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating41.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2022)
Projected traffic1,900 by 2044
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 10 over Stream built?

It was built in 1989, making it 36 years old in 2025.

What condition is Ia 10 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 May 2024.

How much traffic does Ia 10 over Stream carry?

About 1,900 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is Ia 10 over Stream?

The structure is 33 ft (10.2 m) long with a longest span of 10 ft (3 m).

Who owns Ia 10 over Stream?

It is owned by the State Highway Agency.