US Bridges

Lark over Crane Creek

Fair

Cerro Gordo County, Iowa · 096211302 · Structure no. 000000000106350

Built
1971
54 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
45 ft
3 main spans
Daily traffic
1,061
2022 count
Owner
County
County Highway Agency

About this bridge

Lark over Crane Creek is a concrete culvert carrying Lark over Crane Creek in Cerro Gordo County, Iowa. It was built in 1971, so it is 54 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 1,061 vehicles a day, roughly 42% of them trucks, projected to reach 1,061 by 2044. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLark
CrossesCrane Creek
Location096211302
RouteCounty Highway 0
StateIowa
Coordinates43.13949, -93.28041
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.7 US tons
Inventory rating24.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length45 ft (13.7 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 traffic1,061 (2022)
Projected traffic1,061 by 2044
Trucks42%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lark over Crane Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Lark over Crane 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 Crane Creek carry?

About 1,061 vehicles per day (2022 count), of which roughly 42% are trucks.

How long is Lark over Crane Creek?

The structure is 45 ft (13.7 m) long with a longest span of 12 ft (3.7 m).

Who owns Lark over Crane Creek?

It is owned by the County Highway Agency.