US Bridges

Hh Ave over Big Bear Creek

Good

Iowa County, Iowa · 080110806 · Structure no. 000000000190571

Built
2004
21 years old
Condition
Good
inspected March 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
188 ft
3 main spans
Daily traffic
90
2022 count
Owner
County
County Highway Agency

About this bridge

Hh Ave over Big Bear Creek is a prestressed concrete stringer/multi-beam or girder carrying Hh Ave over Big Bear Creek in Iowa County, Iowa. It was built in 2004, so it is 21 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 90 vehicles a day, projected to reach 90 by 2043. The structure is 188 ft (57.3 m) long and 27 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesHh Ave
CrossesBig Bear Creek
Location080110806
RouteCounty Highway 0
StateIowa
Coordinates41.75808, -92.14947
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 protection7 GoodSome minor problems.
Last inspectionMarch 2022
Inspection intervalevery 48 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 alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length188 ft (57.3 m)
Longest span69 ft (21 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2022)
Projected traffic90 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hh Ave over Big Bear Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Hh Ave over Big Bear Creek 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 2022.

How much traffic does Hh Ave over Big Bear Creek carry?

About 90 vehicles per day (2022 count).

How long is Hh Ave over Big Bear Creek?

The structure is 188 ft (57.3 m) long with a longest span of 69 ft (21 m) and a deck 27 ft wide.

Who owns Hh Ave over Big Bear Creek?

It is owned by the County Highway Agency.