US Bridges

S Canfield RD over Trib to Cedar River

Fair

Black Hawk County, Iowa · 88-11-32-02-10 · Structure no. 000000000075001

Built
2004
21 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
599
2022 count
Owner
County
County Highway Agency

About this bridge

S Canfield RD over Trib to Cedar River is a steel stringer/multi-beam or girder carrying S Canfield RD over Trib to Cedar River in Black Hawk 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 fair condition with a lowest component rating of 5 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 599 vehicles a day, roughly 18% of them trucks, projected to reach 599 by 2043. The structure is 41 ft (12.5 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS Canfield RD
CrossesTrib to Cedar River
Location88-11-32-02-10
RouteCounty Highway 0
StateIowa
Coordinates42.38726, -92.16198
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span39 ft (11.9 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic599 (2022)
Projected traffic599 by 2043
Trucks18%
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 S Canfield RD over Trib to Cedar River built?

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

What condition is S Canfield RD over Trib to 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 2023.

How much traffic does S Canfield RD over Trib to Cedar River carry?

About 599 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is S Canfield RD over Trib to Cedar River?

The structure is 41 ft (12.5 m) long with a longest span of 39 ft (11.9 m) and a deck 32 ft wide.

Who owns S Canfield RD over Trib to Cedar River?

It is owned by the County Highway Agency.