US Bridges

60th RD over Walnut Creek

Good

Otoe County, Nebraska · .6W 1.1N Nebraska City · Structure no. C006616135

Built
2019
6 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
100
2003 count
Owner
County
County Highway Agency

About this bridge

60th RD over Walnut Creek is a prestressed concrete stringer/multi-beam or girder carrying 60th RD over Walnut Creek in Otoe County, Nebraska. It was built in 2019, so it is 6 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 170 by 2033. The structure is 80 ft (24.3 m) long and 30 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Carries60th RD
CrossesWalnut Creek
Location.6W 1.1N Nebraska City
RouteCounty Highway 161
Coordinates40.7087, -95.8926
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior 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 rating54 US tons
Inventory rating40.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length80 ft (24.3 m)
Longest span75 ft (23 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2003)
Projected traffic170 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 60th RD over Walnut Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is 60th RD over Walnut 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 October 2023.

How much traffic does 60th RD over Walnut Creek carry?

About 100 vehicles per day (2003 count), of which roughly 10% are trucks.

How long is 60th RD over Walnut Creek?

The structure is 80 ft (24.3 m) long with a longest span of 75 ft (23 m) and a deck 30 ft wide.

Who owns 60th RD over Walnut Creek?

It is owned by the County Highway Agency.