US Bridges

180 ST over Alry Run Creek

Good

Butler County, Iowa · 092171301 · Structure no. 000000000088731

Built
2000
25 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
285
2022 count
Owner
County
County Highway Agency

About this bridge

180 ST over Alry Run Creek is a concrete continuous culvert carrying 180 ST over Alry Run Creek in Butler County, Iowa. It was built in 2000, so it is 25 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 285 vehicles a day, projected to reach 285 by 2044. The structure is 38 ft (11.6 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
Carries180 ST
CrossesAlry Run Creek
Location092171301
RouteCounty Highway 0
CountyButler County
StateIowa
Coordinates42.78837, -92.79683
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.1 US tons
Inventory rating37.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic285 (2022)
Projected traffic285 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$280,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 180 ST over Alry Run Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is 180 ST over Alry Run Creek 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 April 2024.

How much traffic does 180 ST over Alry Run Creek carry?

About 285 vehicles per day (2022 count).

How long is 180 ST over Alry Run Creek?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m) and a deck 30 ft wide.

Who owns 180 ST over Alry Run Creek?

It is owned by the County Highway Agency.