US Bridges

N89 over Beaver Creek Tributary

Good

Furnas County, Nebraska · 1E Wilsonville · Structure no. S089 02709

Built
1953
72 years old, rebuilt 1998
Condition
Good
inspected April 2023
Type
Tee Beam
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
455
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 1953 and reconstructed in 1998, so it is 72 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 455 vehicles a day, roughly 15% of them trucks, projected to reach 592 by 2038. The structure is 31 ft (9.4 m) long and 38 ft wide. If it were closed, the detour would be 111.8 mi (180 km).

CarriesN89
CrossesBeaver Creek Tributary
Location1E Wilsonville
RouteState Highway 89
Coordinates40.1104, -100.0953
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.5 US tons
Inventory rating54 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width38 ft (11.5 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic455 (2018)
Projected traffic592 by 2038
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed111.8 mi (180 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 1953, making it 72 years old in 2025. It was reconstructed in 1998.

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 2023.

How much traffic does N89 over Beaver Creek Tributary carry?

About 455 vehicles per day (2018 count), of which roughly 15% are trucks.

How long is N89 over Beaver Creek Tributary?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 38 ft wide.

Who owns N89 over Beaver Creek Tributary?

It is owned by the State Highway Agency.