US Bridges

Ia 182 over Stream

Fair

Lyon County, Iowa · 2.5 Mi. S of Jct. Ia 9 · Structure no. 000000000034700

Built
1955
70 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
2,500
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 182 over Stream is a concrete continuous culvert carrying Ia 182 over Stream in Lyon County, Iowa. It was built in 1955, so it is 70 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 2,500 vehicles a day, roughly 15% of them trucks, projected to reach 2,500 by 2042. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesIa 182
CrossesStream
Location2.5 Mi. S of Jct. Ia 9
RouteState Highway 182
CountyLyon County
StateIowa
Coordinates43.39697, -96.42891
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.6 US tons
Inventory rating23.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length32 ft (9.8 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 traffic2,500 (2022)
Projected traffic2,500 by 2042
Trucks15%
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 182 over Stream built?

It was built in 1955, making it 70 years old in 2025.

What condition is Ia 182 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 2023.

How much traffic does Ia 182 over Stream carry?

About 2,500 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Ia 182 over Stream?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns Ia 182 over Stream?

It is owned by the State Highway Agency.