US Bridges

US 52 over Cp Rr/Mill Creek

Good

Jackson County, Iowa · 0.3 Mi. S of Jct. Ia 62 · Structure no. 000000000609770

Built
2009
16 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
657 ft
6 main spans
Daily traffic
2,640
2022 count
Owner
State
State Highway Agency

About this bridge

US 52 over Cp Rr/Mill Creek is a steel stringer/multi-beam or girder carrying US 52 over Cp Rr/Mill Creek in Jackson County, Iowa. It was built in 2009, so it is 16 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 2,640 vehicles a day, roughly 6% of them trucks, projected to reach 2,640 by 2043. The structure is 657 ft (200.3 m) long and 52 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesUS 52
CrossesCp Rr/Mill Creek
Location0.3 Mi. S of Jct. Ia 62
RouteU.S. Route 52
StateIowa
Coordinates42.24979, -90.4185
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating37.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length657 ft (200.3 m)
Longest span115 ft (35.1 m)
Deck width52 ft (15.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,640 (2022)
Projected traffic2,640 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway, waterway and railroad
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 52 over Cp Rr/Mill Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is US 52 over Cp Rr/Mill 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 September 2023.

How much traffic does US 52 over Cp Rr/Mill Creek carry?

About 2,640 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is US 52 over Cp Rr/Mill Creek?

The structure is 657 ft (200.3 m) long with a longest span of 115 ft (35.1 m) and a deck 52 ft wide.

Who owns US 52 over Cp Rr/Mill Creek?

It is owned by the State Highway Agency.