US Bridges

Ia 188 over Stream

Fair

Butler County, Iowa · 1.7 Mi. W of Jct. US 218 · Structure no. 000000000016780

Built
1900
125 years old, rebuilt 1962
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
490
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 188 over Stream is a concrete continuous culvert carrying Ia 188 over Stream in Butler County, Iowa. It was built in 1900 and reconstructed in 1962, so it is 125 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 490 vehicles a day, roughly 16% of them trucks, projected to reach 490 by 2044. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesIa 188
CrossesStream
Location1.7 Mi. W of Jct. US 218
RouteState Highway 188
CountyButler County
StateIowa
Coordinates42.84723, -92.58082
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 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.4 US tons
Inventory rating25.4 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 traffic490 (2022)
Projected traffic490 by 2044
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 188 over Stream built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1962.

What condition is Ia 188 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 188 over Stream carry?

About 490 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Ia 188 over Stream?

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

Who owns Ia 188 over Stream?

It is owned by the State Highway Agency.