US Bridges

Ia 24 over Stream

Good

Winneshiek County, Iowa · 1.2 Miles E of S.R. B32 · Structure no. 000000000052691

Built
2008
17 years old
Condition
Good
inspected November 2022
Type
Culvert
Concrete Continuous
Length
39 ft
1 main span
Daily traffic
2,970
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 24 over Stream is a concrete continuous culvert carrying Ia 24 over Stream in Winneshiek County, Iowa. It was built in 2008, so it is 17 years old, younger 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 2,970 vehicles a day, roughly 11% of them trucks, projected to reach 2,970 by 2042. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIa 24
CrossesStream
Location1.2 Miles E of S.R. B32
RouteState Highway 24
StateIowa
Coordinates43.15356, -91.92317
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2022
Inspection intervalevery 23 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.1 US tons
Inventory rating33 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length39 ft (11.9 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 traffic2,970 (2022)
Projected traffic2,970 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ia 24 over Stream built?

It was built in 2008, making it 17 years old in 2025.

What condition is Ia 24 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 November 2022.

How much traffic does Ia 24 over Stream carry?

About 2,970 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Ia 24 over Stream?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m).

Who owns Ia 24 over Stream?

It is owned by the State Highway Agency.