US Bridges

N89 over Beaver Creek Trib

Good

Red Willow County, Nebraska · 1E Danbury · Structure no. S089 01045

Built
1959
66 years old, rebuilt 2013
Condition
Good
inspected April 2024
Type
Slab
Concrete Continuous
Length
66 ft
3 main spans
Daily traffic
330
2018 count
Owner
State
State Highway Agency

About this bridge

N89 over Beaver Creek Trib is a concrete continuous slab carrying N89 over Beaver Creek Trib in Red Willow County, Nebraska. It was built in 1959 and reconstructed in 2013, so it is 66 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 330 vehicles a day, roughly 11% of them trucks, projected to reach 446 by 2038. The structure is 66 ft (20.1 m) long and 31 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesN89
CrossesBeaver Creek Trib
Location1E Danbury
RouteState Highway 89
Coordinates40.0492, -100.3864
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating24.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length66 ft (20.1 m)
Longest span26 ft (7.9 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2018)
Projected traffic446 by 2038
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 Trib built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2013.

What condition is N89 over Beaver Creek Trib 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 Beaver Creek Trib carry?

About 330 vehicles per day (2018 count), of which roughly 11% are trucks.

How long is N89 over Beaver Creek Trib?

The structure is 66 ft (20.1 m) long with a longest span of 26 ft (7.9 m) and a deck 31 ft wide.

Who owns N89 over Beaver Creek Trib?

It is owned by the State Highway Agency.