US Bridges

Ia 92 over Stream

Fair

Pottawattamie County, Iowa · 1.6 Mi. E of SR L-35 · Structure no. 000000000043780

Built
1953
72 years old, rebuilt 1972
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
5,700
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 92 over Stream is a concrete continuous culvert carrying Ia 92 over Stream in Pottawattamie County, Iowa. It was built in 1953 and reconstructed in 1972, so it is 72 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 5,700 vehicles a day, roughly 6% of them trucks, projected to reach 5,700 by 2042. The structure is 23 ft (7 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesIa 92
CrossesStream
Location1.6 Mi. E of SR L-35
RouteState Highway 92
StateIowa
Coordinates41.23291, -95.79354
Functional classUrban 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 2023
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length23 ft (7 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 traffic5,700 (2022)
Projected traffic5,700 by 2042
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 92 over Stream built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1972.

What condition is Ia 92 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 2023.

How much traffic does Ia 92 over Stream carry?

About 5,700 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Ia 92 over Stream?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns Ia 92 over Stream?

It is owned by the State Highway Agency.