US Bridges

N89 over Johnson Creek

Good

Red Willow County, Nebraska · 5NE Lebanon · Structure no. S089 02110

Built
1958
67 years old, rebuilt 1996
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
1 main span
Daily traffic
300
2018 count
Owner
State
State Highway Agency

About this bridge

N89 over Johnson Creek is a steel stringer/multi-beam or girder carrying N89 over Johnson Creek in Red Willow County, Nebraska. It was built in 1958 and reconstructed in 1996, so it is 67 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 300 vehicles a day, roughly 12% of them trucks, projected to reach 390 by 2038. The structure is 62 ft (18.9 m) long and 38 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN89
CrossesJohnson Creek
Location5NE Lebanon
RouteState Highway 89
Coordinates40.088, -100.2017
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating36.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span60 ft (18.3 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2018)
Projected traffic390 by 2038
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N89 over Johnson Creek built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1996.

What condition is N89 over Johnson Creek 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 April 2024.

How much traffic does N89 over Johnson Creek carry?

About 300 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is N89 over Johnson Creek?

The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.3 m) and a deck 38 ft wide.

Who owns N89 over Johnson Creek?

It is owned by the State Highway Agency.