US Bridges

A34 (420th St) over Pike Run Creek

Good

Winnebago County, Iowa · 0.5 Mi. E. of HWY 9 · Structure no. 000000000345021

Built
2014
11 years old
Condition
Good
inspected March 2021
Type
Culvert
Concrete
Length
32 ft
1 main span
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

A34 (420th St) over Pike Run Creek is a concrete culvert carrying A34 (420th St) over Pike Run Creek in Winnebago County, Iowa. It was built in 2014, so it is 11 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 100 vehicles a day, projected to reach 100 by 2043. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesA34 (420th St)
CrossesPike Run Creek
Location0.5 Mi. E. of HWY 9
RouteCounty Highway 0
CountyWinnebago County
StateIowa
Coordinates43.37118, -93.62846
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2021
Inspection intervalevery 48 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 rating46.4 US tons
Inventory rating39.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic100 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was A34 (420th St) over Pike Run Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is A34 (420th St) over Pike Run 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 2021.

How much traffic does A34 (420th St) over Pike Run Creek carry?

About 100 vehicles per day (2022 count).

How long is A34 (420th St) over Pike Run Creek?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m).

Who owns A34 (420th St) over Pike Run Creek?

It is owned by the County Highway Agency.