US Bridges

Jonquil Ave over Willow Creek

Fair

Cerro Gordo County, Iowa · 096211504 · Structure no. 000000000106361

Built
1997
28 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
48 ft
2 main spans
Daily traffic
577
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Jonquil Ave over Willow Creek is a concrete culvert carrying Jonquil Ave over Willow Creek in Cerro Gordo County, Iowa. It was built in 1997, so it is 28 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 5 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 577 vehicles a day, roughly 16% of them trucks, projected to reach 577 by 2044. The structure is 48 ft (14.6 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesJonquil Ave
CrossesWillow Creek
Location096211504
RouteCounty Highway 0
StateIowa
Coordinates43.13913, -93.32006
Functional classUrban Local

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic577 (2022)
Projected traffic577 by 2044
Trucks16%
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

OwnerCity or Municipal 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 Jonquil Ave over Willow Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Jonquil Ave over Willow 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 March 2024.

How much traffic does Jonquil Ave over Willow Creek carry?

About 577 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Jonquil Ave over Willow Creek?

The structure is 48 ft (14.6 m) long with a longest span of 24 ft (7.3 m).

Who owns Jonquil Ave over Willow Creek?

It is owned by the City or Municipal Highway Agency and maintained by the County Highway Agency.