US Bridges

P33 Henry Wallace over Creek

Good

Adair County, Iowa · 074303102 · Structure no. 000000000054731

Built
2001
24 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
1,673
2022 count
Owner
County
County Highway Agency

About this bridge

P33 Henry Wallace over Creek is a concrete continuous culvert carrying P33 Henry Wallace over Creek in Adair County, Iowa. It was built in 2001, so it is 24 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 1,673 vehicles a day, roughly 13% of them trucks, projected to reach 1,673 by 2043. The structure is 23 ft (7 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesP33 Henry Wallace
CrossesCreek
Location074303102
RouteCounty Highway 0
StateIowa
Coordinates41.16397, -94.35704
Functional classRural Major 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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,673 (2022)
Projected traffic1,673 by 2043
Trucks13%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was P33 Henry Wallace over Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is P33 Henry Wallace 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 April 2024.

How much traffic does P33 Henry Wallace over Creek carry?

About 1,673 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is P33 Henry Wallace over Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns P33 Henry Wallace over Creek?

It is owned by the County Highway Agency.