US Bridges

US6/N31 over Box Elder Creek

Good

Douglas County, Nebraska · 5S Elkhorn · Structure no. S006 35482

Built
1999
26 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
116 ft
1 main span
Daily traffic
22,055
2018 count
Owner
State
State Highway Agency

About this bridge

US6/N31 over Box Elder Creek is a prestressed concrete stringer/multi-beam or girder carrying US6/N31 over Box Elder Creek in Douglas County, Nebraska. It was built in 1999, so it is 26 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 22,055 vehicles a day, roughly 6% of them trucks, projected to reach 44,110 by 2038. The structure is 116 ft (35.4 m) long and 95 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesUS6/N31
CrossesBox Elder Creek
Location5S Elkhorn
RouteU.S. Route 6
Coordinates41.2313, -96.2344
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating104.7 US tons
Inventory rating56.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length116 ft (35.4 m)
Longest span113 ft (34.4 m)
Deck width95 ft (29.1 m)
Roadway width93 ft (28.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,055 (2018)
Projected traffic44,110 by 2038
Trucks6%
Lanes on structure5
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US6/N31 over Box Elder Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is US6/N31 over Box Elder 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 February 2024.

How much traffic does US6/N31 over Box Elder Creek carry?

About 22,055 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is US6/N31 over Box Elder Creek?

The structure is 116 ft (35.4 m) long with a longest span of 113 ft (34.4 m) and a deck 95 ft wide.

Who owns US6/N31 over Box Elder Creek?

It is owned by the State Highway Agency.