US Bridges

N133 over I680

Fair

Douglas County, Nebraska · N133/I680 Intrchg · Structure no. S680 00713

Built
1998
27 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
210 ft
2 main spans
Daily traffic
15,005
2018 count
Owner
State
State Highway Agency

About this bridge

N133 over I680 is a prestressed concrete continuous stringer/multi-beam or girder carrying N133 over I680 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 15,005 vehicles a day, roughly 3% of them trucks, projected to reach 22,508 by 2038. The structure is 210 ft (64 m) long and 114 ft wide.

Location

Open in Google Maps
CarriesN133
CrossesI680
LocationN133/I680 Intrchg
RouteState Highway 133
CountyDouglas County
StateNebraska
Coordinates41.3222, -96.0689
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.5 US tons
Inventory rating48.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length210 ft (64 m)
Longest span104 ft (31.7 m)
Deck width114 ft (34.8 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,005 (2018)
Projected traffic22,508 by 2038
Trucks3%
Lanes on structure6
Traffic directionTwo-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 N133 over I680 built?

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

What condition is N133 over I680 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 2023.

How much traffic does N133 over I680 carry?

About 15,005 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is N133 over I680?

The structure is 210 ft (64 m) long with a longest span of 104 ft (31.7 m) and a deck 114 ft wide.

Who owns N133 over I680?

It is owned by the State Highway Agency.