US Bridges

Ia 92 over Stream

Good

Pottawattamie County, Iowa · 0.4 Mi. W of Jct. SR M16 · Structure no. 000000000043850

Built
1955
70 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
2,920
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 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,920 vehicles a day, roughly 14% of them trucks, projected to reach 2,920 by 2044. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesIa 92
CrossesStream
Location0.4 Mi. W of Jct. SR M16
RouteState Highway 92
CountyPottawattamie County
StateIowa
Coordinates41.23271, -95.48722
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
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 rating27 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,920 (2022)
Projected traffic2,920 by 2044
Trucks14%
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 92 over Stream built?

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

What condition is Ia 92 over Stream 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 July 2024.

How much traffic does Ia 92 over Stream carry?

About 2,920 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Ia 92 over Stream?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Ia 92 over Stream?

It is owned by the State Highway Agency.