US Bridges

R Ave over Small Stream

Good

Iowa County, Iowa · 081101204 · Structure no. 000000000191261

Built
2012
13 years old
Condition
Good
inspected March 2022
Type
Slab
Concrete Continuous
Length
81 ft
3 main spans
Daily traffic
40
2022 count
Owner
County
County Highway Agency

About this bridge

R Ave over Small Stream is a concrete continuous slab carrying R Ave over Small Stream in Iowa County, Iowa. It was built in 2012, so it is 13 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 40 vehicles a day, projected to reach 40 by 2043. The structure is 81 ft (24.7 m) long and 27 ft wide.

CarriesR Ave
CrossesSmall Stream
Location081101204
RouteCounty Highway 0
StateIowa
Coordinates41.84572, -91.96244
Functional classRural Major 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 2022
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 alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating41.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length81 ft (24.7 m)
Longest span31 ft (9.4 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2022)
Projected traffic40 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was R Ave over Small Stream built?

It was built in 2012, making it 13 years old in 2025.

What condition is R 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 2022.

How much traffic does R Ave over Small Stream carry?

About 40 vehicles per day (2022 count).

How long is R Ave over Small Stream?

The structure is 81 ft (24.7 m) long with a longest span of 31 ft (9.4 m) and a deck 27 ft wide.

Who owns R Ave over Small Stream?

It is owned by the County Highway Agency.