US Bridges

Lark Ave over Creek

Good

Audubon County, Iowa · FM 80353606 · Structure no. 000000000068561

Built
2017
8 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete Continuous
Length
83 ft
3 main spans
Daily traffic
60
2022 count
Owner
County
County Highway Agency

About this bridge

Lark Ave over Creek is a concrete continuous slab carrying Lark Ave over Creek in Audubon County, Iowa. It was built in 2017, so it is 8 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 60 vehicles a day, roughly 47% of them trucks, projected to reach 60 by 2044. The structure is 83 ft (25.3 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLark Ave
CrossesCreek
LocationFM 80353606
RouteCounty Highway 0
StateIowa
Coordinates41.69469, -94.87444
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating41.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length83 ft (25.3 m)
Longest span31 ft (9.4 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2022)
Projected traffic60 by 2044
Trucks47%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Ave over Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is Lark Ave over 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 August 2024.

How much traffic does Lark Ave over Creek carry?

About 60 vehicles per day (2022 count), of which roughly 47% are trucks.

How long is Lark Ave over Creek?

The structure is 83 ft (25.3 m) long with a longest span of 31 ft (9.4 m) and a deck 27 ft wide.

Who owns Lark Ave over Creek?

It is owned by the County Highway Agency.