US Bridges

US6/US34 over Smith Canyon

Good

Furnas County, Nebraska · 4E Cambridge · Structure no. S006 11659

Built
2005
20 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
52 ft
4 main spans
Daily traffic
3,280
2018 count
Owner
State
State Highway Agency

About this bridge

US6/US34 over Smith Canyon is a concrete culvert carrying US6/US34 over Smith Canyon in Furnas County, Nebraska. It was built in 2005, so it is 20 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 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 3,280 vehicles a day, roughly 11% of them trucks, projected to reach 4,428 by 2038. The structure is 52 ft (15.8 m) long. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesUS6/US34
CrossesSmith Canyon
Location4E Cambridge
RouteU.S. Route 6
CountyFurnas County
StateNebraska
Coordinates40.2961, -100.0808
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.4 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,280 (2018)
Projected traffic4,428 by 2038
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 US6/US34 over Smith Canyon built?

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

What condition is US6/US34 over Smith Canyon 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 2023.

How much traffic does US6/US34 over Smith Canyon carry?

About 3,280 vehicles per day (2018 count), of which roughly 11% are trucks.

How long is US6/US34 over Smith Canyon?

The structure is 52 ft (15.8 m) long with a longest span of 12 ft (3.7 m).

Who owns US6/US34 over Smith Canyon?

It is owned by the State Highway Agency.