US Bridges

V36 Oak Ave over Upper Iowa

Good

Howard County, Iowa · 100122102 · Structure no. 000000000183741

Built
2014
11 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
297 ft
3 main spans
Daily traffic
393
2022 count
Owner
County
County Highway Agency

About this bridge

V36 Oak Ave over Upper Iowa is a prestressed concrete stringer/multi-beam or girder carrying V36 Oak Ave over Upper Iowa in Howard County, Iowa. It was built in 2014, so it is 11 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 393 vehicles a day, roughly 14% of them trucks, projected to reach 393 by 2043. The structure is 297 ft (90.5 m) long and 44 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesV36 Oak Ave
CrossesUpper Iowa
Location100122102
RouteCounty Highway 0
CountyHoward County
StateIowa
Coordinates43.46435, -92.27819
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length297 ft (90.5 m)
Longest span122 ft (37.2 m)
Deck width44 ft (13.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic393 (2022)
Projected traffic393 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 V36 Oak Ave over Upper Iowa built?

It was built in 2014, making it 11 years old in 2025.

What condition is V36 Oak Ave over Upper Iowa 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 V36 Oak Ave over Upper Iowa carry?

About 393 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is V36 Oak Ave over Upper Iowa?

The structure is 297 ft (90.5 m) long with a longest span of 122 ft (37.2 m) and a deck 44 ft wide.

Who owns V36 Oak Ave over Upper Iowa?

It is owned by the County Highway Agency.