US Bridges

Ia 2 over Stream

Fair

Decatur County, Iowa · 3.2 Mi. E of E Jct. US 69 · Structure no. 000000000022760

Built
1928
97 years old, rebuilt 1990
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
1,330
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 2 over Stream is a concrete continuous culvert carrying Ia 2 over Stream in Decatur County, Iowa. It was built in 1928 and reconstructed in 1990, so it is 97 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 1,330 vehicles a day, roughly 15% of them trucks, projected to reach 1,330 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesIa 2
CrossesStream
Location3.2 Mi. E of E Jct. US 69
RouteState Highway 2
CountyDecatur County
StateIowa
Coordinates40.74395, -93.68858
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 alignment7: Better than present minimum criteria
Operating rating93.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 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 traffic1,330 (2022)
Projected traffic1,330 by 2043
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 2 over Stream built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1990.

What condition is Ia 2 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 August 2023.

How much traffic does Ia 2 over Stream carry?

About 1,330 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Ia 2 over Stream?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Ia 2 over Stream?

It is owned by the State Highway Agency.