US Bridges

Cottingham RD over S Fork Catfish Creek

Good

Dubuque County, Iowa · 089E13607 · Structure no. 000000000147181

Built
2017
8 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
71 ft
1 main span
Daily traffic
412
2022 count
Owner
County
County Highway Agency

About this bridge

Cottingham RD over S Fork Catfish Creek is a prestressed concrete stringer/multi-beam or girder carrying Cottingham RD over S Fork Catfish Creek in Dubuque County, Iowa. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 412 vehicles a day, projected to reach 412 by 2044. The structure is 71 ft (21.5 m) long and 33 ft wide.

CarriesCottingham RD
CrossesS Fork Catfish Creek
Location089E13607
RouteCounty Highway 0
StateIowa
Coordinates42.47374, -90.78242
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.5 US tons
Inventory rating46.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length71 ft (21.5 m)
Longest span68 ft (20.6 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic412 (2022)
Projected traffic412 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Cottingham RD over S Fork Catfish Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is Cottingham RD over S Fork 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 February 2024.

How much traffic does Cottingham RD over S Fork Catfish Creek carry?

About 412 vehicles per day (2022 count).

How long is Cottingham RD over S Fork Catfish Creek?

The structure is 71 ft (21.5 m) long with a longest span of 68 ft (20.6 m) and a deck 33 ft wide.

Who owns Cottingham RD over S Fork Catfish Creek?

It is owned by the County Highway Agency.