US Bridges

L40 H Ave over Willow Creek

Good

Cherokee County, Iowa · 092412002 · Structure no. 000000000109091

Built
2015
10 years old
Condition
Good
inspected August 2023
Type
Slab
Concrete Continuous
Length
93 ft
3 main spans
Daily traffic
199
2022 count
Owner
County
County Highway Agency

About this bridge

L40 H Ave over Willow Creek is a concrete continuous slab carrying L40 H Ave over Willow Creek in Cherokee County, Iowa. It was built in 2015, so it is 10 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 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 199 vehicles a day, roughly 26% of them trucks, projected to reach 199 by 2043. The structure is 93 ft (28.3 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesL40 H Ave
CrossesWillow Creek
Location092412002
RouteCounty Highway 0
CountyCherokee County
StateIowa
Coordinates42.77641, -95.72047
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length93 ft (28.3 m)
Longest span35 ft (10.7 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic199 (2022)
Projected traffic199 by 2043
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$30,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was L40 H Ave over Willow Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is L40 H Ave over Willow 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 2023.

How much traffic does L40 H Ave over Willow Creek carry?

About 199 vehicles per day (2022 count), of which roughly 26% are trucks.

How long is L40 H Ave over Willow Creek?

The structure is 93 ft (28.3 m) long with a longest span of 35 ft (10.7 m) and a deck 33 ft wide.

Who owns L40 H Ave over Willow Creek?

It is owned by the County Highway Agency.