US Bridges

Mallard Ave over Beaver Dam Creek

Good

Cerro Gordo County, Iowa · 0942007 · Structure no. 000000000105251

Built
2012
13 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
29
2022 count
Owner
County
County Highway Agency

About this bridge

Mallard Ave over Beaver Dam Creek is a concrete culvert carrying Mallard Ave over Beaver Dam Creek in Cerro Gordo County, Iowa. It was built in 2012, so it is 13 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 29 vehicles a day, projected to reach 29 by 2044. The structure is 40 ft (12.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesMallard Ave
CrossesBeaver Dam Creek
Location0942007
RouteCounty Highway 0
CountyCerro Gordo County
StateIowa
Coordinates42.97115, -93.26127
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length40 ft (12.1 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2022)
Projected traffic29 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Mallard Ave over Beaver Dam Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is Mallard Ave 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 March 2024.

How much traffic does Mallard Ave over Beaver Dam Creek carry?

About 29 vehicles per day (2022 count).

How long is Mallard Ave over Beaver Dam Creek?

The structure is 40 ft (12.1 m) long with a longest span of 12 ft (3.7 m).

Who owns Mallard Ave over Beaver Dam Creek?

It is owned by the County Highway Agency.