US Bridges

N89 over Republican River

Good

Harlan County, Nebraska · 2W Orleans · Structure no. S089 05962

Built
2007
18 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
310 ft
2 main spans
Daily traffic
795
2018 count
Owner
State
State Highway Agency

About this bridge

N89 over Republican River is a prestressed concrete stringer/multi-beam or girder carrying N89 over Republican River in Harlan County, Nebraska. It was built in 2007, so it is 18 years old, younger 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 795 vehicles a day, roughly 13% of them trucks, projected to reach 1,034 by 2038. The structure is 310 ft (94.5 m) long and 38 ft wide. If it were closed, the detour would be 118.1 mi (190 km).

CarriesN89
CrossesRepublican River
Location2W Orleans
RouteState Highway 89
Coordinates40.132, -99.5026
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length310 ft (94.5 m)
Longest span155 ft (47.2 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic795 (2018)
Projected traffic1,034 by 2038
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed118.1 mi (190 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N89 over Republican River built?

It was built in 2007, making it 18 years old in 2025.

What condition is N89 over Republican River 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 2023.

How much traffic does N89 over Republican River carry?

About 795 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is N89 over Republican River?

The structure is 310 ft (94.5 m) long with a longest span of 155 ft (47.2 m) and a deck 38 ft wide.

Who owns N89 over Republican River?

It is owned by the State Highway Agency.