US Bridges

US 52 & Ia 64 over Mississippi River

Good

Jackson County, Iowa · 2.1 Mi.S of Sabula · Structure no. 000000000029941

Built
2017
8 years old
Condition
Good
inspected September 2021
Type
Arch - Thru
Steel
Length
2,454 ft
1 main span
Daily traffic
2,150
2022 count
Owner
State
State Highway Agency

About this bridge

US 52 & Ia 64 over Mississippi River is a steel arch - thru carrying US 52 & Ia 64 over Mississippi River in Jackson 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 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 2,150 vehicles a day, roughly 6% of them trucks, projected to reach 2,150 by 2042. The structure is 2,454 ft (748 m) long and 43 ft wide. If it were closed, the detour would be 42.3 mi (68 km).

CarriesUS 52 & Ia 64
CrossesMississippi River
Location2.1 Mi.S of Sabula
RouteU.S. Route 52
StateIowa
Coordinates42.10406, -90.16092
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 2021
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeArch - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+11 approach)
Design loadHL 93
Structure length2,454 ft (748 m)
Longest span546 ft (166.4 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck23 ft (6.9 m)

Traffic and service

Average daily traffic2,150 (2022)
Projected traffic2,150 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed42.3 mi (68 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US 52 & Ia 64 over Mississippi River built?

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

What condition is US 52 & Ia 64 over Mississippi River 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 2021.

How much traffic does US 52 & Ia 64 over Mississippi River carry?

About 2,150 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is US 52 & Ia 64 over Mississippi River?

The structure is 2,454 ft (748 m) long with a longest span of 546 ft (166.4 m) and a deck 43 ft wide.

Who owns US 52 & Ia 64 over Mississippi River?

It is owned by the State Highway Agency.