US Bridges

Aspen Avenue over Niobrara River

PoorClosed to traffic

Rock County, Nebraska · 6E N7 Keya Paha Cl · Structure no. C007522105

Built
1912
113 years old, rebuilt 1962
Condition
Poor
inspected June 2017
Type
Truss - Thru
Steel
Length
569 ft
2 main spans
Daily traffic
35
2011 count
Owner
County
County Highway Agency

About this bridge

Aspen Avenue over Niobrara River is a steel truss - thru carrying Aspen Avenue over Niobrara River in Rock County, Nebraska. It was built in 1912 and reconstructed in 1962, so it is 113 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 35 vehicles a day, projected to reach 35 by 2033. The structure is 569 ft (173.4 m) long and 16 ft wide. If it were closed, the detour would be 248.5 mi (400 km).

CarriesAspen Avenue
CrossesNiobrara River
Location6E N7 Keya Paha Cl
RouteCounty Highway 1895
Coordinates42.733, -99.4815
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2017
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans2 (+5 approach)
Design loadUnknown
Structure length569 ft (173.4 m)
Longest span175 ft (53.3 m)
Deck width16 ft (5 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deck16 ft (4.8 m)

Traffic and service

Average daily traffic35 (2011)
Projected traffic35 by 2033
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed248.5 mi (400 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on 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 Aspen Avenue over Niobrara River built?

It was built in 1912, making it 113 years old in 2025. It was reconstructed in 1962.

What condition is Aspen Avenue over Niobrara River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2017.

How much traffic does Aspen Avenue over Niobrara River carry?

About 35 vehicles per day (2011 count).

How long is Aspen Avenue over Niobrara River?

The structure is 569 ft (173.4 m) long with a longest span of 175 ft (53.3 m) and a deck 16 ft wide.

Who owns Aspen Avenue over Niobrara River?

It is owned by the County Highway Agency.