US Bridges

Ia 2 over Stream

Fair

Decatur County, Iowa · 7.9 Mi. W of Jct. I-35 · Structure no. 000000000022651

Built
1985
40 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
930
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 1985, so it is 40 years old, younger 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 930 vehicles a day, roughly 29% of them trucks, projected to reach 930 by 2042. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesIa 2
CrossesStream
Location7.9 Mi. W of Jct. I-35
RouteState Highway 2
CountyDecatur County
StateIowa
Coordinates40.72456, -93.99099
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.8 US tons
Inventory rating68.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 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 traffic930 (2022)
Projected traffic930 by 2042
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 1985, making it 40 years old in 2025.

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 July 2024.

How much traffic does Ia 2 over Stream carry?

About 930 vehicles per day (2022 count), of which roughly 29% are trucks.

How long is Ia 2 over Stream?

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

Who owns Ia 2 over Stream?

It is owned by the State Highway Agency.