US Bridges

E46 O Ave over Willow Creek

Good

Crawford County, Iowa · 083411602 · Structure no. 000000000128291

Built
2017
8 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
35 ft
2 main spans
Daily traffic
40
2022 count
Owner
County
County Highway Agency

About this bridge

E46 O Ave over Willow Creek is a concrete culvert carrying E46 O Ave over Willow Creek in Crawford 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 40 vehicles a day, projected to reach 40 by 2043. The structure is 35 ft (10.8 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesE46 O Ave
CrossesWillow Creek
Location083411602
RouteCounty Highway 0
CountyCrawford County
StateIowa
Coordinates42.00835, -95.62676
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2023
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 rating49.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length35 ft (10.8 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2022)
Projected traffic40 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 E46 O Ave over Willow Creek built?

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

What condition is E46 O 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 March 2023.

How much traffic does E46 O Ave over Willow Creek carry?

About 40 vehicles per day (2022 count).

How long is E46 O Ave over Willow Creek?

The structure is 35 ft (10.8 m) long with a longest span of 17 ft (5.2 m).

Who owns E46 O Ave over Willow Creek?

It is owned by the County Highway Agency.