US Bridges

W64 Vine Ave over Small Natural Stream

Good

Washington County, Iowa · 77062202 · Structure no. 000000000051571

Built
2015
10 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
1,230
2022 count
Owner
County
County Highway Agency

About this bridge

W64 Vine Ave over Small Natural Stream is a concrete continuous culvert carrying W64 Vine Ave over Small Natural Stream in Washington 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 1,230 vehicles a day, roughly 8% of them trucks, projected to reach 1,230 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesW64 Vine Ave
CrossesSmall Natural Stream
Location77062202
RouteCounty Highway 0
CountyWashington County
StateIowa
Coordinates41.46488, -91.54141
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 protection7 GoodSome minor problems.
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 rating57.5 US tons
Inventory rating44.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,230 (2022)
Projected traffic1,230 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 W64 Vine Ave over Small Natural Stream built?

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

What condition is W64 Vine Ave over Small Natural 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 February 2023.

How much traffic does W64 Vine Ave over Small Natural Stream carry?

About 1,230 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is W64 Vine Ave over Small Natural Stream?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns W64 Vine Ave over Small Natural Stream?

It is owned by the County Highway Agency.