US Bridges

105th ST over Stream

Good

Butler County, Iowa · 105th St. W Birch Ave. · Structure no. 000000000089911

Built
2024
1 years old
Condition
Good
inspected December 2024
Type
Tee Beam
Prestressed Concrete
Length
98 ft
2 main spans
Daily traffic
11
2023 count
Owner
County
County Highway Agency

About this bridge

105th ST over Stream is a prestressed concrete tee beam carrying 105th ST over Stream in Butler County, Iowa. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11 vehicles a day, projected to reach 11 by 2043. The structure is 98 ft (29.9 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries105th ST
CrossesStream
Location105th St. W Birch Ave.
RouteCounty Highway 0
CountyButler County
StateIowa
Coordinates42.89854, -92.99038
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 16 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating36.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length98 ft (29.9 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2023)
Projected traffic11 by 2043
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 105th ST over Stream built?

It was built in 2024, making it 1 years old in 2025.

What condition is 105th ST over 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 December 2024.

How much traffic does 105th ST over Stream carry?

About 11 vehicles per day (2023 count).

How long is 105th ST over Stream?

The structure is 98 ft (29.9 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns 105th ST over Stream?

It is owned by the County Highway Agency.