US Bridges

NB US275 over N36

Fair

Douglas County, Nebraska · 4NW Valley · Structure no. S275 15848L

Built
1998
27 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
130 ft
1 main span
Daily traffic
18,540
2018 count
Owner
State
State Highway Agency

About this bridge

NB US275 over N36 is a prestressed concrete stringer/multi-beam or girder carrying NB US275 over N36 in Douglas County, Nebraska. It was built in 1998, so it is 27 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 18,540 vehicles a day, roughly 9% of them trucks, projected to reach 29,664 by 2038. The structure is 130 ft (39.6 m) long and 41 ft wide.

CarriesNB US275
CrossesN36
Location4NW Valley
RouteU.S. Route 275
Coordinates41.3724, -96.4181
Functional classRural Principal Arterial - Other

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.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.5 US tons
Inventory rating49.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length130 ft (39.6 m)
Longest span128 ft (39 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,540 (2018)
Projected traffic29,664 by 2038
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 NB US275 over N36 built?

It was built in 1998, making it 27 years old in 2025.

What condition is NB US275 over N36 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 March 2024.

How much traffic does NB US275 over N36 carry?

About 18,540 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is NB US275 over N36?

The structure is 130 ft (39.6 m) long with a longest span of 128 ft (39 m) and a deck 41 ft wide.

Who owns NB US275 over N36?

It is owned by the State Highway Agency.