US Bridges

Ia 60 NB over Otter Creek

Good

Osceola County, Iowa · 2.0 Mi. S of SR A22 · Structure no. 000000000609645

Built
2006
19 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
292 ft
3 main spans
Daily traffic
2,055
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 60 NB over Otter Creek is a prestressed concrete stringer/multi-beam or girder carrying Ia 60 NB over Otter Creek in Osceola County, Iowa. It was built in 2006, so it is 19 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 2,055 vehicles a day, roughly 33% of them trucks, projected to reach 2,055 by 2044. The structure is 292 ft (89 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIa 60 NB
CrossesOtter Creek
Location2.0 Mi. S of SR A22
RouteState Highway 60
StateIowa
Coordinates43.38427, -95.73814
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.3 US tons
Inventory rating37.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length292 ft (89 m)
Longest span116 ft (35.4 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,055 (2022)
Projected traffic2,055 by 2044
Trucks33%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ia 60 NB over Otter Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is Ia 60 NB over Otter 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 April 2024.

How much traffic does Ia 60 NB over Otter Creek carry?

About 2,055 vehicles per day (2022 count), of which roughly 33% are trucks.

How long is Ia 60 NB over Otter Creek?

The structure is 292 ft (89 m) long with a longest span of 116 ft (35.4 m) and a deck 43 ft wide.

Who owns Ia 60 NB over Otter Creek?

It is owned by the State Highway Agency.