US Bridges

Ia 92 over Stream

Fair

Adair County, Iowa · 2.2 Mi. E of Jct. SR N-72 · Structure no. 000000000013030

Built
1966
59 years old
Condition
Fair
inspected December 2022
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
2,800
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 Adair County, Iowa. It was built in 1966, so it is 59 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 2,800 vehicles a day, roughly 10% of them trucks, projected to reach 2,800 by 2042. The structure is 23 ft (7 m) long. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesIa 92
CrossesStream
Location2.2 Mi. E of Jct. SR N-72
RouteState Highway 92
CountyAdair County
StateIowa
Coordinates41.296, -94.52534
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 inspectionDecember 2022
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 alignment7: Better than present minimum criteria
Operating rating99.8 US tons
Inventory rating96.5 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 traffic2,800 (2022)
Projected traffic2,800 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 1966, making it 59 years old in 2025.

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 December 2022.

How much traffic does Ia 92 over Stream carry?

About 2,800 vehicles per day (2022 count), of which roughly 10% 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.