US Bridges

Fm-Robin Ave over Stream

Good

Howard County, Iowa · 097121202 · Structure no. 000000000181751

Built
2010
15 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
84 ft
3 main spans
Daily traffic
69
2022 count
Owner
County
County Highway Agency

About this bridge

Fm-Robin Ave over Stream is a concrete continuous slab carrying Fm-Robin Ave over Stream in Howard 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 69 vehicles a day, projected to reach 69 by 2043. The structure is 84 ft (25.5 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesFm-Robin Ave
CrossesStream
Location097121202
RouteCounty Highway 0
CountyHoward County
StateIowa
Coordinates43.24137, -92.21976
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
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 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating55.3 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length84 ft (25.5 m)
Longest span31 ft (9.4 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69 (2022)
Projected traffic69 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Fm-Robin Ave over Stream built?

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

What condition is Fm-Robin Ave over 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 2023.

How much traffic does Fm-Robin Ave over Stream carry?

About 69 vehicles per day (2022 count).

How long is Fm-Robin Ave over Stream?

The structure is 84 ft (25.5 m) long with a longest span of 31 ft (9.4 m) and a deck 32 ft wide.

Who owns Fm-Robin Ave over Stream?

It is owned by the County Highway Agency.