US Bridges

N89 over Beaver Creek Tributary

Good

Furnas County, Nebraska · 1W Wilsonville · Structure no. S089 02595

Built
1998
27 years old
Condition
Good
inspected April 2021
Type
Tee Beam
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
510
2018 count
Owner
State
State Highway Agency

About this bridge

N89 over Beaver Creek Tributary is a prestressed concrete tee beam carrying N89 over Beaver Creek Tributary in Furnas County, Nebraska. It was built in 1998, so it is 27 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 510 vehicles a day, roughly 20% of them trucks, projected to reach 689 by 2038. The structure is 52 ft (15.8 m) long and 38 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesN89
CrossesBeaver Creek Tributary
Location1W Wilsonville
RouteState Highway 89
Coordinates40.1091, -100.1164
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.6 US tons
Inventory rating48.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span50 ft (15.2 m)
Deck width38 ft (11.5 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2018)
Projected traffic689 by 2038
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 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 Beaver Creek Tributary built?

It was built in 1998, making it 27 years old in 2025.

What condition is N89 over Beaver Creek Tributary 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 2021.

How much traffic does N89 over Beaver Creek Tributary carry?

About 510 vehicles per day (2018 count), of which roughly 20% are trucks.

How long is N89 over Beaver Creek Tributary?

The structure is 52 ft (15.8 m) long with a longest span of 50 ft (15.2 m) and a deck 38 ft wide.

Who owns N89 over Beaver Creek Tributary?

It is owned by the State Highway Agency.