US Bridges

Hollenbeck RD over Bear Creek

Good

Linn County, Iowa · 084082004 · Structure no. 000000000221741

Built
2022
3 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
189 ft
3 main spans
Daily traffic
864
2021 count
Owner
County
County Highway Agency

About this bridge

Hollenbeck RD over Bear Creek is a prestressed concrete stringer/multi-beam or girder carrying Hollenbeck RD over Bear Creek in Linn County, Iowa. It was built in 2022, so it is 3 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 864 vehicles a day, roughly 23% of them trucks, projected to reach 864 by 2043. The structure is 189 ft (57.6 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHollenbeck RD
CrossesBear Creek
Location084082004
RouteCounty Highway 0
StateIowa
Coordinates42.08042, -91.80907
Functional classUrban 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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating46.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length189 ft (57.6 m)
Longest span69 ft (21 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic864 (2021)
Projected traffic864 by 2043
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Hollenbeck RD over Bear Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is Hollenbeck RD over 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 June 2023.

How much traffic does Hollenbeck RD over Bear Creek carry?

About 864 vehicles per day (2021 count), of which roughly 23% are trucks.

How long is Hollenbeck RD over Bear Creek?

The structure is 189 ft (57.6 m) long with a longest span of 69 ft (21 m) and a deck 43 ft wide.

Who owns Hollenbeck RD over Bear Creek?

It is owned by the County Highway Agency.