US Bridges

W62 Redwood Ave over Small Stream

Good

Washington County, Iowa · 074073608 · Structure no. 000000000335881

Built
2013
12 years old
Condition
Good
inspected March 2021
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
380
2022 count
Owner
County
County Highway Agency

About this bridge

W62 Redwood Ave over Small Stream is a concrete continuous culvert carrying W62 Redwood Ave over Small Stream in Washington County, Iowa. It was built in 2013, so it is 12 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 380 vehicles a day, projected to reach 380 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesW62 Redwood Ave
CrossesSmall Stream
Location074073608
RouteCounty Highway 0
CountyWashington County
StateIowa
Coordinates41.16486, -91.62013
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic380 (2022)
Projected traffic380 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 W62 Redwood Ave over Small Stream built?

It was built in 2013, making it 12 years old in 2025.

What condition is W62 Redwood 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 2021.

How much traffic does W62 Redwood Ave over Small Stream carry?

About 380 vehicles per day (2022 count).

How long is W62 Redwood Ave over Small Stream?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns W62 Redwood Ave over Small Stream?

It is owned by the County Highway Agency.