US Bridges

County Road over Branch Beaver Creek

Good

Grundy County, Iowa · 089180702 · Structure no. 000000000166171

Built
1998
27 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

County Road over Branch Beaver Creek is a prestressed concrete stringer/multi-beam or girder carrying County Road over Branch Beaver Creek in Grundy County, Iowa. It was built in 1998, so it is 27 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 20 vehicles a day, projected to reach 20 by 2044. The structure is 49 ft (14.9 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty Road
CrossesBranch Beaver Creek
Location089180702
RouteCounty Highway 0
StateIowa
Coordinates42.53735, -93.02688
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.3 US tons
Inventory rating39.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span49 ft (14.9 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2022)
Projected traffic20 by 2044
Trucks0%
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 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 County Road over Branch Beaver Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is County Road over Branch Beaver 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 April 2024.

How much traffic does County Road over Branch Beaver Creek carry?

About 20 vehicles per day (2022 count).

How long is County Road over Branch Beaver Creek?

The structure is 49 ft (14.9 m) long with a longest span of 49 ft (14.9 m) and a deck 28 ft wide.

Who owns County Road over Branch Beaver Creek?

It is owned by the County Highway Agency.