US Bridges

E Ridgeway Ave over Dry Run Creek

PoorPosted for load

Black Hawk County, Iowa · City Culvert No. 3C · Structure no. 000000000011800

Built
1950
75 years old
Condition
Poor
inspected June 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
8,392
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

E Ridgeway Ave over Dry Run Creek is a concrete culvert carrying E Ridgeway Ave over Dry Run Creek in Black Hawk County, Iowa. It was built in 1950, so it is 75 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 8,392 vehicles a day, projected to reach 8,392 by 2043. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesE Ridgeway Ave
CrossesDry Run Creek
LocationCity Culvert No. 3C
RouteCity Street 0
CountyBlack Hawk County
StateIowa
Coordinates42.46938, -92.34322
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32 US tons
Inventory rating19 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.7 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 traffic8,392 (2022)
Projected traffic8,392 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was E Ridgeway Ave over Dry Run Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is E Ridgeway Ave over Dry Run Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does E Ridgeway Ave over Dry Run Creek carry?

About 8,392 vehicles per day (2022 count).

How long is E Ridgeway Ave over Dry Run Creek?

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

Who owns E Ridgeway Ave over Dry Run Creek?

It is owned by the City or Municipal Highway Agency.