US Bridges

Ranchero RD over Dry Run Creek

Poor

Black Hawk County, Iowa · 88-14-10-01-10 · Structure no. 000000000075340

Built
1937
88 years old, rebuilt 1990
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
32 ft
2 main spans
Daily traffic
90
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ranchero RD over Dry Run Creek is a steel continuous stringer/multi-beam or girder carrying Ranchero RD over Dry Run Creek in Black Hawk County, Iowa. It was built in 1937 and reconstructed in 1990, so it is 88 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.

It carries about 90 vehicles a day, projected to reach 90 by 2044. The structure is 32 ft (9.8 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRanchero RD
CrossesDry Run Creek
Location88-14-10-01-10
RouteCity Street 0
StateIowa
Coordinates42.45744, -92.4741
Functional classUrban Collector

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50.6 US tons
Inventory rating34.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span17 ft (5.2 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2022)
Projected traffic90 by 2044
Trucks0%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$50,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ranchero RD over Dry Run Creek built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1990.

What condition is Ranchero RD 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 March 2024.

How much traffic does Ranchero RD over Dry Run Creek carry?

About 90 vehicles per day (2022 count).

How long is Ranchero RD over Dry Run Creek?

The structure is 32 ft (9.8 m) long with a longest span of 17 ft (5.2 m) and a deck 20 ft wide.

Who owns Ranchero RD over Dry Run Creek?

It is owned by the City or Municipal Highway Agency.