US Bridges

Oak Ave over Small Stream

Good

Butler County, Iowa · Oak Ave. 1200 S. of C33 · Structure no. 000000000088576

Built
2020
5 years old
Condition
Good
inspected April 2024
Type
Tee Beam
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
35
2022 count
Owner
County
County Highway Agency

About this bridge

Oak Ave over Small Stream is a prestressed concrete tee beam carrying Oak Ave over Small Stream in Butler County, Iowa. It was built in 2020, so it is 5 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 35 vehicles a day, projected to reach 35 by 2044. The structure is 46 ft (14 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesOak Ave
CrossesSmall Stream
LocationOak Ave. 1200 S. of C33
RouteCounty Highway 0
CountyButler County
StateIowa
Coordinates42.78494, -92.75186
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
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 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.9 US tons
Inventory rating41.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span45 ft (13.7 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2022)
Projected traffic35 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Oak Ave over Small Stream built?

It was built in 2020, making it 5 years old in 2025.

What condition is Oak 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 2024.

How much traffic does Oak Ave over Small Stream carry?

About 35 vehicles per day (2022 count).

How long is Oak Ave over Small Stream?

The structure is 46 ft (14 m) long with a longest span of 45 ft (13.7 m) and a deck 28 ft wide.

Who owns Oak Ave over Small Stream?

It is owned by the County Highway Agency.