US Bridges

N47 over Republican River

Fair

Furnas County, Nebraska · 1S Cambridge · Structure no. S047 01247

Built
1914
111 years old, rebuilt 1984
Condition
Fair
inspected April 2023
Type
Arch - Deck
Concrete
Length
312 ft
5 main spans
Daily traffic
835
2018 count
Owner
State
State Highway Agency

About this bridge

N47 over Republican River is a concrete arch - deck carrying N47 over Republican River in Furnas County, Nebraska. It was built in 1914 and reconstructed in 1984, so it is 111 years old, older 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 5 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 835 vehicles a day, roughly 10% of them trucks, projected to reach 1,086 by 2038. The structure is 312 ft (95.1 m) long and 33 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

Location

Open in Google Maps
CarriesN47
CrossesRepublican River
Location1S Cambridge
RouteState Highway 47
CountyFurnas County
StateNebraska
Coordinates40.2737, -100.1662
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length312 ft (95.1 m)
Longest span64 ft (19.5 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic835 (2018)
Projected traffic1,086 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N47 over Republican River built?

It was built in 1914, making it 111 years old in 2025. It was reconstructed in 1984.

What condition is N47 over 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 2023.

How much traffic does N47 over Republican River carry?

About 835 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is N47 over Republican River?

The structure is 312 ft (95.1 m) long with a longest span of 64 ft (19.5 m) and a deck 33 ft wide.

Who owns N47 over Republican River?

It is owned by the State Highway Agency.