US Bridges

T47 Sinclair Ave over Small Stream

Good

Butler County, Iowa · 090162702 · Structure no. 000000000086931

Built
2014
11 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
113 ft
1 main span
Daily traffic
960
2021 count
Owner
County
County Highway Agency

About this bridge

T47 Sinclair Ave over Small Stream is a prestressed concrete stringer/multi-beam or girder carrying T47 Sinclair Ave over Small Stream in Butler 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 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 960 vehicles a day, projected to reach 960 by 2043. The structure is 113 ft (34.4 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesT47 Sinclair Ave
CrossesSmall Stream
Location090162702
RouteCounty Highway 0
CountyButler County
StateIowa
Coordinates42.57154, -92.73187
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length113 ft (34.4 m)
Longest span110 ft (33.5 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic960 (2021)
Projected traffic960 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
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 T47 Sinclair Ave over Small Stream built?

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

What condition is T47 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 April 2023.

How much traffic does T47 Sinclair Ave over Small Stream carry?

About 960 vehicles per day (2021 count).

How long is T47 Sinclair Ave over Small Stream?

The structure is 113 ft (34.4 m) long with a longest span of 110 ft (33.5 m) and a deck 33 ft wide.

Who owns T47 Sinclair Ave over Small Stream?

It is owned by the County Highway Agency.