US Bridges

Vincent RD over Castle Hill Creek

Fair

Black Hawk County, Iowa · City Culvert No. 46C · Structure no. 000000000504065

Built
1988
37 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
684
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Vincent RD over Castle Hill Creek is a concrete culvert carrying Vincent RD over Castle Hill Creek in Black Hawk County, Iowa. It was built in 1988, so it is 37 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 684 vehicles a day, projected to reach 684 by 2043. The structure is 22 ft (6.7 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesVincent RD
CrossesCastle Hill Creek
LocationCity Culvert No. 46C
RouteCity Street 0
CountyBlack Hawk County
StateIowa
Coordinates42.51476, -92.39993
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width43 ft (13.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic684 (2022)
Projected traffic684 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Vincent RD over Castle Hill Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Vincent RD over Castle Hill Creek 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 June 2023.

How much traffic does Vincent RD over Castle Hill Creek carry?

About 684 vehicles per day (2022 count).

How long is Vincent RD over Castle Hill Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 43 ft wide.

Who owns Vincent RD over Castle Hill Creek?

It is owned by the City or Municipal Highway Agency.