US Bridges

US6/N31 over US275/N92

Fair

Douglas County, Nebraska · US6/US275 Intrchg · Structure no. S006 35500

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

About this bridge

US6/N31 over US275/N92 is a prestressed concrete stringer/multi-beam or girder carrying US6/N31 over US275/N92 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 fair condition with a lowest component rating of 6 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 22,055 vehicles a day, roughly 6% of them trucks, projected to reach 44,110 by 2038. The structure is 139 ft (42.4 m) long and 88 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesUS6/N31
CrossesUS275/N92
LocationUS6/US275 Intrchg
RouteU.S. Route 6
Coordinates41.2338, -96.2344
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97 US tons
Inventory rating48.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length139 ft (42.4 m)
Longest span137 ft (41.8 m)
Deck width88 ft (26.7 m)
Roadway width85 ft (26 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,055 (2018)
Projected traffic44,110 by 2038
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed12.4 mi (20 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US6/N31 over US275/N92 built?

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

What condition is US6/N31 over US275/N92 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 February 2024.

How much traffic does US6/N31 over US275/N92 carry?

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

How long is US6/N31 over US275/N92?

The structure is 139 ft (42.4 m) long with a longest span of 137 ft (41.8 m) and a deck 88 ft wide.

Who owns US6/N31 over US275/N92?

It is owned by the State Highway Agency.