US Bridges

Jonquil over Beaver Dam Creek

Good

Cerro Gordo County, Iowa · 095211502 · Structure no. 000000000105911

Built
1978
47 years old
Condition
Good
inspected February 2024
Type
Slab
Concrete Continuous
Length
75 ft
3 main spans
Daily traffic
34
2022 count
Owner
County
County Highway Agency

About this bridge

Jonquil over Beaver Dam Creek is a concrete continuous slab carrying Jonquil over Beaver Dam Creek in Cerro Gordo County, Iowa. It was built in 1978, so it is 47 years old, older 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 34 vehicles a day, projected to reach 34 by 2044. The structure is 75 ft (22.9 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesJonquil
CrossesBeaver Dam Creek
Location095211502
RouteCounty Highway 0
StateIowa
Coordinates43.04635, -93.32022
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.8 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length75 ft (22.9 m)
Longest span29 ft (8.8 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (2022)
Projected traffic34 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Jonquil over Beaver Dam Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Jonquil over Beaver Dam 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 February 2024.

How much traffic does Jonquil over Beaver Dam Creek carry?

About 34 vehicles per day (2022 count).

How long is Jonquil over Beaver Dam Creek?

The structure is 75 ft (22.9 m) long with a longest span of 29 ft (8.8 m) and a deck 30 ft wide.

Who owns Jonquil over Beaver Dam Creek?

It is owned by the County Highway Agency.