US Bridges

Sinclair Ave over Small Stream

Good

Butler County, Iowa · 091160302 · Structure no. 000000000087582

Built
2000
25 years old
Condition
Good
inspected May 2021
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
579
2022 count
Owner
County
County Highway Agency

About this bridge

Sinclair Ave over Small Stream is a concrete continuous culvert carrying Sinclair Ave over Small Stream in Butler County, Iowa. It was built in 2000, so it is 25 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 579 vehicles a day, projected to reach 579 by 2043. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSinclair Ave
CrossesSmall Stream
Location091160302
RouteCounty Highway 0
CountyButler County
StateIowa
Coordinates42.72666, -92.73194
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 inspectionMay 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 alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic579 (2022)
Projected traffic579 by 2043
Trucks0%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sinclair Ave over Small Stream built?

It was built in 2000, making it 25 years old in 2025.

What condition is Sinclair 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 May 2021.

How much traffic does Sinclair Ave over Small Stream carry?

About 579 vehicles per day (2022 count).

How long is Sinclair Ave over Small Stream?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns Sinclair Ave over Small Stream?

It is owned by the County Highway Agency.