US Bridges

N63 over Greenwood Creek

Good

Cass County, Nebraska · 4N Alvo · Structure no. S063 00814

Built
2011
14 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
1,365
2018 count
Owner
State
State Highway Agency

About this bridge

N63 over Greenwood Creek is a concrete culvert carrying N63 over Greenwood Creek in Cass County, Nebraska. It was built in 2011, so it is 14 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,365 vehicles a day, roughly 7% of them trucks, projected to reach 2,116 by 2038. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN63
CrossesGreenwood Creek
Location4N Alvo
RouteState Highway 63
Coordinates40.9309, -96.3889
Functional classRural Minor Arterial

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.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating46.3 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length25 ft (7.6 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 traffic1,365 (2018)
Projected traffic2,116 by 2038
Trucks7%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N63 over Greenwood Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is N63 over Greenwood 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 June 2024.

How much traffic does N63 over Greenwood Creek carry?

About 1,365 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is N63 over Greenwood Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns N63 over Greenwood Creek?

It is owned by the State Highway Agency.