US Bridges

Ia 60 NB over B 58 & UPRR

Good

Sioux County, Iowa · 1.3 MI S of JCT Ia 10 · Structure no. 000000000608855

Built
2002
23 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
583 ft
6 main spans
Daily traffic
2,035
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 60 NB over B 58 & UPRR is a prestressed concrete stringer/multi-beam or girder carrying Ia 60 NB over B 58 & UPRR in Sioux County, Iowa. It was built in 2002, so it is 23 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 2,035 vehicles a day, roughly 34% of them trucks, projected to reach 2,035 by 2044. The structure is 583 ft (177.7 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIa 60 NB
CrossesB 58 & UPRR
Location1.3 MI S of JCT Ia 10
RouteState Highway 60
StateIowa
Coordinates42.97423, -96.0166
Functional classRural Principal Arterial - Other

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.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating40.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length583 ft (177.7 m)
Longest span107 ft (32.6 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,035 (2022)
Projected traffic2,035 by 2044
Trucks34%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Ia 60 NB over B 58 & UPRR built?

It was built in 2002, making it 23 years old in 2025.

What condition is Ia 60 NB over B 58 & UPRR 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 January 2024.

How much traffic does Ia 60 NB over B 58 & UPRR carry?

About 2,035 vehicles per day (2022 count), of which roughly 34% are trucks.

How long is Ia 60 NB over B 58 & UPRR?

The structure is 583 ft (177.7 m) long with a longest span of 107 ft (32.6 m) and a deck 43 ft wide.

Who owns Ia 60 NB over B 58 & UPRR?

It is owned by the State Highway Agency.