US Bridges

3220 Reed Ave over Silver Creek Dd 7

Good

Hancock County, Iowa · 097241204 · Structure no. 000000000174141

Built
2005
20 years old
Condition
Good
inspected March 2021
Type
Slab
Concrete Continuous
Length
78 ft
3 main spans
Daily traffic
153
2022 count
Owner
County
County Highway Agency

About this bridge

3220 Reed Ave over Silver Creek Dd 7 is a concrete continuous slab carrying 3220 Reed Ave over Silver Creek Dd 7 in Hancock County, Iowa. It was built in 2005, so it is 20 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 153 vehicles a day, projected to reach 153 by 2043. The structure is 78 ft (23.8 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries3220 Reed Ave
CrossesSilver Creek Dd 7
Location097241204
RouteCounty Highway 0
StateIowa
Coordinates43.23092, -93.62686
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
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 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.3 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span29 ft (8.8 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic153 (2022)
Projected traffic153 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 3220 Reed Ave over Silver Creek Dd 7 built?

It was built in 2005, making it 20 years old in 2025.

What condition is 3220 Reed Ave over Silver Creek Dd 7 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 2021.

How much traffic does 3220 Reed Ave over Silver Creek Dd 7 carry?

About 153 vehicles per day (2022 count).

How long is 3220 Reed Ave over Silver Creek Dd 7?

The structure is 78 ft (23.8 m) long with a longest span of 29 ft (8.8 m) and a deck 27 ft wide.

Who owns 3220 Reed Ave over Silver Creek Dd 7?

It is owned by the County Highway Agency.