US Bridges

Superior ST over I180

Fair

Lancaster County, Nebraska · Superior ST/I180 Interchg · Structure no. S180 00079

Built
1991
34 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
233 ft
2 main spans
Daily traffic
30,300
2008 count
Owner
State
State Highway Agency

About this bridge

Superior ST over I180 is a steel continuous stringer/multi-beam or girder carrying Superior ST over I180 in Lancaster County, Nebraska. It was built in 1991, so it is 34 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 30,300 vehicles a day, projected to reach 27,300 by 2033. The structure is 233 ft (71 m) long and 78 ft wide.

Location

Open in Google Maps
CarriesSuperior ST
CrossesI180
LocationSuperior ST/I180 Interchg
RouteCity Street 5254
CountyLancaster County
StateNebraska
Coordinates40.8553, -96.7131
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2025
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 rating68.3 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length233 ft (71 m)
Longest span120 ft (36.6 m)
Deck width78 ft (23.9 m)
Roadway width67 ft (20.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,300 (2008)
Projected traffic27,300 by 2033
Trucks0%
Lanes on structure4
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 Superior ST over I180 built?

It was built in 1991, making it 34 years old in 2025.

What condition is Superior ST over I180 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 2025.

How much traffic does Superior ST over I180 carry?

About 30,300 vehicles per day (2008 count).

How long is Superior ST over I180?

The structure is 233 ft (71 m) long with a longest span of 120 ft (36.6 m) and a deck 78 ft wide.

Who owns Superior ST over I180?

It is owned by the State Highway Agency.