Monastary RD over Catfish Creek

Good

Dubuque County, Iowa · 000000000 · Structure no. 000000000146401

Built: 2010; 15 years old
Condition: Good; inspected May 2023
Type: Culvert; Concrete Continuous
Length: 46 ft; 2 main spans
Daily traffic: 1,160; 2021 count
Owner: County; County Highway Agency

About this bridge

Monastary RD over Catfish Creek is a concrete continuous culvert carrying Monastary RD over Catfish Creek in Dubuque County, Iowa. It was built in 2010, so it is 15 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,160 vehicles a day, projected to reach 1,160 by 2043. The structure is 46 ft (14 m) long and 99 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesMonastary RD

CrossesCatfish Creek

Location000000000

RouteCounty Highway 0

CountyDubuque County

StateIowa

Coordinates42.38324, -90.79333

Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

Component	Rating	Meaning
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.
Culvert	7 Good	Some minor problems.

Last inspectionMay 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation7: Better than present minimum criteria

Deck geometry9: Superior to present desirable criteria

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating98.9 US tons

Inventory rating98.9 US tons

Structure

Structure typeCulvert

MaterialConcrete Continuous

DeckNot applicable

Main spans2

Design loadUnknown

Structure length46 ft (14 m)

Longest span20 ft (6.1 m)

Deck width99 ft (30.2 m)

Roadway width99 ft (30.2 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,160 (2021)

Projected traffic1,160 by 2043

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

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 Monastary RD over Catfish Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Monastary RD over Catfish Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does Monastary RD over Catfish Creek carry?

About 1,160 vehicles per day (2021 count).

How long is Monastary RD over Catfish Creek?

The structure is 46 ft (14 m) long with a longest span of 20 ft (6.1 m) and a deck 99 ft wide.

Who owns Monastary RD over Catfish Creek?

It is owned by the County Highway Agency.