US Bridges

Weiden RD over Sink Creek

Good

Black Hawk County, Iowa · 88-12-17-06-10 · Structure no. 000000000075071

Built
1985
40 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
20 ft
1 main span
Daily traffic
274
2022 count
Owner
County
County Highway Agency

About this bridge

Weiden RD over Sink Creek is a wood or timber stringer/multi-beam or girder carrying Weiden RD over Sink Creek in Black Hawk County, Iowa. It was built in 1985, so it is 40 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 274 vehicles a day, projected to reach 274 by 2044. The structure is 20 ft (6.1 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWeiden RD
CrossesSink Creek
Location88-12-17-06-10
RouteCounty Highway 0
StateIowa
Coordinates42.43514, -92.26357
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.8 US tons
Inventory rating36.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length20 ft (6.1 m)
Longest span19 ft (5.8 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic274 (2022)
Projected traffic274 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Weiden RD over Sink Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Weiden RD over Sink 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 2024.

How much traffic does Weiden RD over Sink Creek carry?

About 274 vehicles per day (2022 count).

How long is Weiden RD over Sink Creek?

The structure is 20 ft (6.1 m) long with a longest span of 19 ft (5.8 m) and a deck 24 ft wide.

Who owns Weiden RD over Sink Creek?

It is owned by the County Highway Agency.