US Bridges

Robin Ave over N Branch Turkey River

Good

Howard County, Iowa · 099121302 · Structure no. 000000000365840

Built
2012
13 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
135
2022 count
Owner
County
County Highway Agency

About this bridge

Robin Ave over N Branch Turkey River is a concrete culvert carrying Robin Ave over N Branch Turkey River in Howard 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 135 vehicles a day, projected to reach 135 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesRobin Ave
CrossesN Branch Turkey River
Location099121302
RouteCounty Highway 0
CountyHoward County
StateIowa
Coordinates43.3944, -92.21859
Functional classRural Local

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 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 alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length24 ft (7.3 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic135 (2022)
Projected traffic135 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Robin Ave over N Branch Turkey River built?

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

What condition is Robin Ave over N Branch Turkey River 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 Robin Ave over N Branch Turkey River carry?

About 135 vehicles per day (2022 count).

How long is Robin Ave over N Branch Turkey River?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3.2 m).

Who owns Robin Ave over N Branch Turkey River?

It is owned by the County Highway Agency.