US Bridges

P66 (220th Ave) over Prairie Creek

Good

Kossuth County, Iowa · 095273407 · Structure no. 000000000214461

Built
2012
13 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
91 ft
3 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

P66 (220th Ave) over Prairie Creek is a concrete continuous slab carrying P66 (220th Ave) over Prairie Creek in Kossuth County, Iowa. It was built in 2012, so it is 13 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 50 vehicles a day, projected to reach 50 by 2043. The structure is 91 ft (27.6 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesP66 (220th Ave)
CrossesPrairie Creek
Location095273407
RouteCounty Highway 0
StateIowa
Coordinates42.99848, -94.03016
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 inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length91 ft (27.6 m)
Longest span35 ft (10.7 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic50 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 P66 (220th Ave) over Prairie Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is P66 (220th Ave) over Prairie 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 May 2023.

How much traffic does P66 (220th Ave) over Prairie Creek carry?

About 50 vehicles per day (2022 count).

How long is P66 (220th Ave) over Prairie Creek?

The structure is 91 ft (27.6 m) long with a longest span of 35 ft (10.7 m) and a deck 33 ft wide.

Who owns P66 (220th Ave) over Prairie Creek?

It is owned by the County Highway Agency.