US Bridges

Hamilton Ave over Bear CR

Good

Buchanan County, Iowa · 087093004 · Structure no. 000000000081461

Built
2006
19 years old
Condition
Good
inspected November 2022
Type
Other
Steel Continuous
Length
90 ft
2 main spans
Daily traffic
60
2021 count
Owner
County
County Highway Agency

About this bridge

Hamilton Ave over Bear CR is a steel continuous other carrying Hamilton Ave over Bear CR in Buchanan County, Iowa. It was built in 2006, so it is 19 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 60 vehicles a day, projected to reach 60 by 2042. The structure is 90 ft (27.4 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesHamilton Ave
CrossesBear CR
Location087093004
RouteCounty Highway 0
StateIowa
Coordinates42.32061, -91.94804
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating46.4 US tons

Structure

Structure typeOther
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span43 ft (13.1 m)
Deck width26 ft (7.8 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2021)
Projected traffic60 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hamilton Ave over Bear CR built?

It was built in 2006, making it 19 years old in 2025.

What condition is Hamilton Ave over Bear CR 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 November 2022.

How much traffic does Hamilton Ave over Bear CR carry?

About 60 vehicles per day (2021 count).

How long is Hamilton Ave over Bear CR?

The structure is 90 ft (27.4 m) long with a longest span of 43 ft (13.1 m) and a deck 26 ft wide.

Who owns Hamilton Ave over Bear CR?

It is owned by the County Highway Agency.