US Bridges

Polk Ave over So Br Little Floyd River

Good

O'Brien County, Iowa · 096410902 · Structure no. 000000000261021

Built
2015
10 years old
Condition
Good
inspected June 2024
Type
Other
Steel
Length
68 ft
1 main span
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

Polk Ave over So Br Little Floyd River is a steel other carrying Polk Ave over So Br Little Floyd River in O'Brien 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 30 vehicles a day, projected to reach 30 by 2044. The structure is 68 ft (20.7 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesPolk Ave
CrossesSo Br Little Floyd River
Location096410902
RouteCounty Highway 0
CountyO'Brien County
StateIowa
Coordinates43.15576, -95.70346
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating37.8 US tons
Inventory rating29.3 US tons

Structure

Structure typeOther
MaterialSteel
DeckSteel plate
Main spans1
Design loadHL 93
Structure length68 ft (20.7 m)
Longest span66 ft (20.1 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic30 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Polk Ave over So Br Little Floyd River built?

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

What condition is Polk Ave over So Br Little Floyd River 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 June 2024.

How much traffic does Polk Ave over So Br Little Floyd River carry?

About 30 vehicles per day (2022 count).

How long is Polk Ave over So Br Little Floyd River?

The structure is 68 ft (20.7 m) long with a longest span of 66 ft (20.1 m) and a deck 27 ft wide.

Who owns Polk Ave over So Br Little Floyd River?

It is owned by the County Highway Agency.