US Bridges

W 22 U Ave over Small Stream

Good

Iowa County, Iowa · 081090904 · Structure no. 000000000191081

Built
2015
10 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
140
2022 count
Owner
County
County Highway Agency

About this bridge

W 22 U Ave over Small Stream is a prestressed concrete stringer/multi-beam or girder carrying W 22 U Ave over Small Stream in Iowa County, Iowa. It was built in 2015, so it is 10 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 140 vehicles a day, projected to reach 140 by 2043. The structure is 103 ft (31.4 m) long and 33 ft wide.

Location

Open in Google Maps
CarriesW 22 U Ave
CrossesSmall Stream
Location081090904
RouteCounty Highway 0
CountyIowa County
StateIowa
Coordinates41.83589, -91.90861
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 inspectionMarch 2023
Inspection intervalevery 48 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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating46.4 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 length103 ft (31.4 m)
Longest span100 ft (30.5 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2022)
Projected traffic140 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was W 22 U Ave over Small Stream built?

It was built in 2015, making it 10 years old in 2025.

What condition is W 22 U 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 W 22 U Ave over Small Stream carry?

About 140 vehicles per day (2022 count).

How long is W 22 U Ave over Small Stream?

The structure is 103 ft (31.4 m) long with a longest span of 100 ft (30.5 m) and a deck 33 ft wide.

Who owns W 22 U Ave over Small Stream?

It is owned by the County Highway Agency.