US Bridges

N61 over S Fk Republican River

Fair

Dundy County, Nebraska · 2S Benkelman · Structure no. S061 00053

Built
1989
36 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
404 ft
4 main spans
Daily traffic
610
2018 count
Owner
State
State Highway Agency

About this bridge

N61 over S Fk Republican River is a prestressed concrete stringer/multi-beam or girder carrying N61 over S Fk Republican River in Dundy County, Nebraska. It was built in 1989, so it is 36 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 610 vehicles a day, roughly 11% of them trucks, projected to reach 824 by 2038. The structure is 404 ft (123.1 m) long and 39 ft wide. If it were closed, the detour would be 99.4 mi (160 km).

Location

Open in Google Maps
CarriesN61
CrossesS Fk Republican River
Location2S Benkelman
RouteState Highway 61
CountyDundy County
StateNebraska
Coordinates40.0105, -101.5425
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 above top of footing
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 rating83.8 US tons
Inventory rating38.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length404 ft (123.1 m)
Longest span100 ft (30.5 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic610 (2018)
Projected traffic824 by 2038
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed99.4 mi (160 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was N61 over S Fk Republican River built?

It was built in 1989, making it 36 years old in 2025.

What condition is N61 over S Fk Republican River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does N61 over S Fk Republican River carry?

About 610 vehicles per day (2018 count), of which roughly 11% are trucks.

How long is N61 over S Fk Republican River?

The structure is 404 ft (123.1 m) long with a longest span of 100 ft (30.5 m) and a deck 39 ft wide.

Who owns N61 over S Fk Republican River?

It is owned by the State Highway Agency.