US Bridges

County Highway over I80

Good

Keith County, Nebraska · 2E Ogallala Intrchg · Structure no. S080 12996

Built
1968
57 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
234 ft
4 main spans
Daily traffic
20
2003 count
Owner
State
State Highway Agency

About this bridge

County Highway over I80 is a prestressed concrete stringer/multi-beam or girder carrying County Highway over I80 in Keith County, Nebraska. It was built in 1968, 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 20 vehicles a day, projected to reach 28 by 2033. The structure is 234 ft (71.3 m) long and 26 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

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CarriesCounty Highway
CrossesI80
Location2E Ogallala Intrchg
RouteCounty Highway 143
CountyKeith County
StateNebraska
Coordinates41.1204, -101.6534
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating26.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length234 ft (71.3 m)
Longest span70 ft (21.3 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2003)
Projected traffic28 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed31.1 mi (50 km)
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Highway over I80 built?

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

What condition is County Highway over I80 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 County Highway over I80 carry?

About 20 vehicles per day (2003 count).

How long is County Highway over I80?

The structure is 234 ft (71.3 m) long with a longest span of 70 ft (21.3 m) and a deck 26 ft wide.

Who owns County Highway over I80?

It is owned by the State Highway Agency.