US Bridges

Liberty Ave over Small Stream

Good

Butler County, Iowa · 091171301 · Structure no. 000000000087851

Built
2016
9 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
44 ft
3 main spans
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

Liberty Ave over Small Stream is a concrete continuous culvert carrying Liberty Ave over Small Stream in Butler County, Iowa. It was built in 2016, so it is 9 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 25 vehicles a day, projected to reach 25 by 2043. The structure is 44 ft (13.4 m) long.

Location

Open in Google Maps
CarriesLiberty Ave
CrossesSmall Stream
Location091171301
RouteCounty Highway 0
CountyButler County
StateIowa
Coordinates42.69497, -92.80991
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 protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
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 rating48.2 US tons
Inventory rating37.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHL 93
Structure length44 ft (13.4 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic25 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed—
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 Liberty Ave over Small Stream built?

It was built in 2016, making it 9 years old in 2025.

What condition is Liberty Ave over Small Stream 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 Liberty Ave over Small Stream carry?

About 25 vehicles per day (2022 count).

How long is Liberty Ave over Small Stream?

The structure is 44 ft (13.4 m) long with a longest span of 14 ft (4.3 m).

Who owns Liberty Ave over Small Stream?

It is owned by the County Highway Agency.