US Bridges

US6 WB over N31

Good

Douglas County, Nebraska · US6/L28B/N31 Intchg · Structure no. S006 35693L

Built
2002
23 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
208 ft
1 main span
Daily traffic
27,910
2018 count
Owner
State
State Highway Agency

About this bridge

US6 WB over N31 is a prestressed concrete stringer/multi-beam or girder carrying US6 WB over N31 in Douglas County, Nebraska. It was built in 2002, so it is 23 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 27,910 vehicles a day, roughly 5% of them trucks, projected to reach 55,820 by 2038. The structure is 208 ft (63.4 m) long and 58 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesUS6 WB
CrossesN31
LocationUS6/L28B/N31 Intchg
RouteU.S. Route 6
Coordinates41.2629, -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.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.6 US tons
Inventory rating6.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length208 ft (63.4 m)
Longest span207 ft (63.1 m)
Deck width58 ft (17.7 m)
Roadway width55 ft (16.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,910 (2018)
Projected traffic55,820 by 2038
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed12.4 mi (20 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US6 WB over N31 built?

It was built in 2002, making it 23 years old in 2025.

What condition is US6 WB over N31 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 WB over N31 carry?

About 27,910 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is US6 WB over N31?

The structure is 208 ft (63.4 m) long with a longest span of 207 ft (63.1 m) and a deck 58 ft wide.

Who owns US6 WB over N31?

It is owned by the State Highway Agency.