US Bridges

Winslow RD over West Fork Cedar River

Fair

Black Hawk County, Iowa · 90-14-09-03 · Structure no. 000000000076791

Built
2008
17 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
606 ft
5 main spans
Daily traffic
678
2022 count
Owner
County
County Highway Agency

About this bridge

Winslow RD over West Fork Cedar River is a prestressed concrete stringer/multi-beam or girder carrying Winslow RD over West Fork Cedar River in Black Hawk County, Iowa. It was built in 2008, so it is 17 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 678 vehicles a day, roughly 3% of them trucks, projected to reach 678 by 2044. The structure is 606 ft (184.7 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesWinslow RD
CrossesWest Fork Cedar River
Location90-14-09-03
RouteCounty Highway 0
StateIowa
Coordinates42.62823, -92.49895
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.9 US tons
Inventory rating50.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length606 ft (184.7 m)
Longest span121 ft (36.9 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic678 (2022)
Projected traffic678 by 2044
Trucks3%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Winslow RD over West Fork Cedar River built?

It was built in 2008, making it 17 years old in 2025.

What condition is Winslow RD over West Fork Cedar River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does Winslow RD over West Fork Cedar River carry?

About 678 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Winslow RD over West Fork Cedar River?

The structure is 606 ft (184.7 m) long with a longest span of 121 ft (36.9 m) and a deck 43 ft wide.

Who owns Winslow RD over West Fork Cedar River?

It is owned by the County Highway Agency.