US Bridges

NB-I180/US34 over I80

Poor

Lancaster County, Nebraska · I80/I180 Intrchg · Structure no. S080 40106

Built
1960
65 years old, rebuilt 1976
Condition
Poor
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
295 ft
5 main spans
Daily traffic
32,795
2017 count
Owner
State
State Highway Agency

About this bridge

NB-I180/US34 over I80 is a steel continuous stringer/multi-beam or girder carrying NB-I180/US34 over I80 in Lancaster County, Nebraska. It was built in 1960 and reconstructed in 1976, so it is 65 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 32,795 vehicles a day, roughly 3% of them trucks, projected to reach 57,391 by 2037. The structure is 295 ft (89.9 m) long and 48 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

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CarriesNB-I180/US34
CrossesI80
LocationI80/I180 Intrchg
RouteInterstate 180
CountyLancaster County
StateNebraska
Coordinates40.8622, -96.7158
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5 (+2 approach)
Design loadH 20
Structure length295 ft (89.9 m)
Longest span78 ft (23.8 m)
Deck width48 ft (14.5 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,795 (2017)
Projected traffic57,391 by 2037
Trucks3%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed12.4 mi (20 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NB-I180/US34 over I80 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1976.

What condition is NB-I180/US34 over I80 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does NB-I180/US34 over I80 carry?

About 32,795 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is NB-I180/US34 over I80?

The structure is 295 ft (89.9 m) long with a longest span of 78 ft (23.8 m) and a deck 48 ft wide.

Who owns NB-I180/US34 over I80?

It is owned by the State Highway Agency.