US Bridges

Lark over Beaver Dam Creek

Fair

Cerro Gordo County, Iowa · 095213602 · Structure no. 000000000105960

Built
1973
52 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
75 ft
3 main spans
Daily traffic
589
2022 count
Owner
County
County Highway Agency

About this bridge

Lark over Beaver Dam Creek is a concrete continuous slab carrying Lark over Beaver Dam Creek in Cerro Gordo County, Iowa. It was built in 1973, so it is 52 years old, older 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 589 vehicles a day, projected to reach 589 by 2044. The structure is 75 ft (22.9 m) long and 32 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesLark
CrossesBeaver Dam Creek
Location095213602
RouteCounty Highway 0
CountyCerro Gordo County
StateIowa
Coordinates43.00643, -93.28079
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating61.5 US tons
Inventory rating36.6 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 width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic589 (2022)
Projected traffic589 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 Lark over Beaver Dam Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Lark over Beaver Dam 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 February 2024.

How much traffic does Lark over Beaver Dam Creek carry?

About 589 vehicles per day (2022 count).

How long is Lark 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 32 ft wide.

Who owns Lark over Beaver Dam Creek?

It is owned by the County Highway Agency.