US Bridges

586th Ave over Creek

Fair

Monroe County, Iowa · 072180305 · Structure no. 000000000252791

Built
1989
36 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
44 ft
3 main spans
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

586th Ave over Creek is a concrete continuous culvert carrying 586th Ave over Creek in Monroe County, Iowa. It was built in 1989, so it is 36 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 30 vehicles a day, projected to reach 30 by 2043. The structure is 44 ft (13.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries586th Ave
CrossesCreek
Location072180305
RouteCounty Highway 0
CountyMonroe County
StateIowa
Coordinates41.07143, -92.90768
Functional classRural Minor Collector

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic30 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was 586th Ave over Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is 586th Ave over Creek 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 December 2023.

How much traffic does 586th Ave over Creek carry?

About 30 vehicles per day (2022 count).

How long is 586th Ave over Creek?

The structure is 44 ft (13.4 m) long with a longest span of 14 ft (4.3 m).

Who owns 586th Ave over Creek?

It is owned by the County Highway Agency.