US Bridges

Ia 60 NB over Dme RR

Good

O'Brien County, Iowa · 0.6 Mi. S of Jct. US 18 · Structure no. 000000000608925

Built
2005
20 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
291 ft
3 main spans
Daily traffic
2,600
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 60 NB over Dme RR is a prestressed concrete stringer/multi-beam or girder carrying Ia 60 NB over Dme RR in O'Brien County, Iowa. It was built in 2005, so it is 20 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 2,600 vehicles a day, roughly 35% of them trucks, projected to reach 2,600 by 2044. The structure is 291 ft (88.7 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIa 60 NB
CrossesDme RR
Location0.6 Mi. S of Jct. US 18
RouteState Highway 60
CountyO'Brien County
StateIowa
Coordinates43.17772, -95.81264
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.7 US tons
Inventory rating41.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length291 ft (88.7 m)
Longest span106 ft (32.3 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2022)
Projected traffic2,600 by 2044
Trucks35%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 Dme RR built?

It was built in 2005, making it 20 years old in 2025.

What condition is Ia 60 NB over Dme RR 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 Dme RR carry?

About 2,600 vehicles per day (2022 count), of which roughly 35% are trucks.

How long is Ia 60 NB over Dme RR?

The structure is 291 ft (88.7 m) long with a longest span of 106 ft (32.3 m) and a deck 43 ft wide.

Who owns Ia 60 NB over Dme RR?

It is owned by the State Highway Agency.