US Bridges

I80 over Happy Hollow

Good

Keith County, Nebraska · 1E Ogallala Intrchg · Structure no. S080 12794

Built
1968
57 years old, rebuilt 1990
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
16,440
2018 count
Owner
State
State Highway Agency

About this bridge

I80 over Happy Hollow is a concrete culvert carrying I80 over Happy Hollow in Keith County, Nebraska. It was built in 1968 and reconstructed in 1990, so it is 57 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 16,440 vehicles a day, roughly 43% of them trucks, projected to reach 19,728 by 2038. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 12.4 mi (20 km).

Location

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CarriesI80
CrossesHappy Hollow
Location1E Ogallala Intrchg
RouteInterstate 80
CountyKeith County
StateNebraska
Coordinates41.1182, -101.6919
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,440 (2018)
Projected traffic19,728 by 2038
Trucks43%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I80 over Happy Hollow built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1990.

What condition is I80 over Happy Hollow in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does I80 over Happy Hollow carry?

About 16,440 vehicles per day (2018 count), of which roughly 43% are trucks.

How long is I80 over Happy Hollow?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns I80 over Happy Hollow?

It is owned by the State Highway Agency.