US Bridges

Utah Ave over Blackhawk Creek

Fair

Scott County, Iowa · 000000000 · Structure no. 000000000503830

Built
1960
65 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
851
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Utah Ave over Blackhawk Creek is a concrete continuous culvert carrying Utah Ave over Blackhawk Creek in Scott County, Iowa. It was built in 1960, so it is 65 years old, older 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 851 vehicles a day, projected to reach 851 by 2043. The structure is 23 ft (7 m) long.

Location

Open in Google Maps
CarriesUtah Ave
CrossesBlackhawk Creek
Location000000000
RouteCity Street 0
CountyScott County
StateIowa
Coordinates41.52224, -90.6688
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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.9 US tons
Inventory rating49.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic851 (2022)
Projected traffic851 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Utah Ave over Blackhawk Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Utah Ave over Blackhawk 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 Utah Ave over Blackhawk Creek carry?

About 851 vehicles per day (2022 count).

How long is Utah Ave over Blackhawk Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns Utah Ave over Blackhawk Creek?

It is owned by the City or Municipal Highway Agency.