US Bridges

N14 over I80

Fair

Hamilton County, Nebraska · Aurora Intrchg · Structure no. S080 33218

Built
1966
59 years old, rebuilt 2011
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
261 ft
4 main spans
Daily traffic
2,425
2018 count
Owner
State
State Highway Agency

About this bridge

N14 over I80 is a prestressed concrete continuous stringer/multi-beam or girder carrying N14 over I80 in Hamilton County, Nebraska. It was built in 1966 and reconstructed in 2011, so it is 59 years old, older 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 2,425 vehicles a day, roughly 16% of them trucks, projected to reach 3,153 by 2038. The structure is 261 ft (79.6 m) long and 33 ft wide.

CarriesN14
CrossesI80
LocationAurora Intrchg
RouteState Highway 14
Coordinates40.8219, -97.9969
Functional classRural Minor 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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.3 US tons
Inventory rating34.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length261 ft (79.6 m)
Longest span70 ft (21.3 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,425 (2018)
Projected traffic3,153 by 2038
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was N14 over I80 built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2011.

What condition is N14 over I80 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 July 2023.

How much traffic does N14 over I80 carry?

About 2,425 vehicles per day (2018 count), of which roughly 16% are trucks.

How long is N14 over I80?

The structure is 261 ft (79.6 m) long with a longest span of 70 ft (21.3 m) and a deck 33 ft wide.

Who owns N14 over I80?

It is owned by the State Highway Agency.