US Bridges

Jonquil Ave over US 18 Reloc.

Good

Cerro Gordo County, Iowa · 1.4 Mi. E of Jct. I-35 · Structure no. 000000000601915

Built
1998
27 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
234 ft
2 main spans
Daily traffic
51
2022 count
Owner
State
State Highway Agency

About this bridge

Jonquil Ave over US 18 Reloc. is a prestressed concrete stringer/multi-beam or girder carrying Jonquil Ave over US 18 Reloc. in Cerro Gordo County, Iowa. It was built in 1998, so it is 27 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 51 vehicles a day, projected to reach 51 by 2043. The structure is 234 ft (71.3 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesJonquil Ave
CrossesUS 18 Reloc.
Location1.4 Mi. E of Jct. I-35
RouteCounty Highway 0
CountyCerro Gordo County
StateIowa
Coordinates43.10455, -93.32
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating62.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length234 ft (71.3 m)
Longest span116 ft (35.4 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51 (2022)
Projected traffic51 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 Jonquil Ave over US 18 Reloc. built?

It was built in 1998, making it 27 years old in 2025.

What condition is Jonquil Ave over US 18 Reloc. 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 October 2023.

How much traffic does Jonquil Ave over US 18 Reloc. carry?

About 51 vehicles per day (2022 count).

How long is Jonquil Ave over US 18 Reloc.?

The structure is 234 ft (71.3 m) long with a longest span of 116 ft (35.4 m) and a deck 30 ft wide.

Who owns Jonquil Ave over US 18 Reloc.?

It is owned by the State Highway Agency.