US Bridges

W38 Ginko Ave over Drainage Ditch

Good

Washington County, Iowa · 076080702 · Structure no. 000000000051861

Built
2010
15 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
770
2022 count
Owner
County
County Highway Agency

About this bridge

W38 Ginko Ave over Drainage Ditch is a concrete continuous culvert carrying W38 Ginko Ave over Drainage Ditch in Washington County, Iowa. It was built in 2010, so it is 15 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 770 vehicles a day, roughly 17% of them trucks, projected to reach 770 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 16.2 mi (26 km).

CarriesW38 Ginko Ave
CrossesDrainage Ditch
Location076080702
RouteCounty Highway 0
StateIowa
Coordinates41.40181, -91.83016
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2023
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 alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 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 traffic770 (2022)
Projected traffic770 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was W38 Ginko Ave over Drainage Ditch built?

It was built in 2010, making it 15 years old in 2025.

What condition is W38 Ginko Ave over Drainage Ditch 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 February 2023.

How much traffic does W38 Ginko Ave over Drainage Ditch carry?

About 770 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is W38 Ginko Ave over Drainage Ditch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns W38 Ginko Ave over Drainage Ditch?

It is owned by the County Highway Agency.