US Bridges

Irr/County Highway over Stream

PoorClosed to traffic

Thurston County, Nebraska · 5.5W 1N of Winnebago · Structure no. C008700630

Built
1935
90 years old
Condition
Poor
inspected October 2017
Type
Truss - Thru
Steel
Length
46 ft
1 main span
Daily traffic
35
2003 count
Owner
County
County Highway Agency

About this bridge

Irr/County Highway over Stream is a steel truss - thru carrying Irr/County Highway over Stream in Thurston County, Nebraska. It was built in 1935, so it is 90 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 2 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, roughly 10% of them trucks, projected to reach 59 by 2033. The structure is 46 ft (14 m) long and 16 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesIrr/County Highway
CrossesStream
Location5.5W 1N of Winnebago
RouteCounty Highway 6
Coordinates42.25, -96.59
Functional classRural Local

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2017
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourScour critical; extensive scour has occurred
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length46 ft (14 m)
Longest span45 ft (13.7 m)
Deck width16 ft (4.8 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2003)
Projected traffic59 by 2033
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Irr/County Highway over Stream built?

It was built in 1935, making it 90 years old in 2025.

What condition is Irr/County Highway over Stream 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 October 2017.

How much traffic does Irr/County Highway over Stream carry?

About 35 vehicles per day (2003 count), of which roughly 10% are trucks.

How long is Irr/County Highway over Stream?

The structure is 46 ft (14 m) long with a longest span of 45 ft (13.7 m) and a deck 16 ft wide.

Who owns Irr/County Highway over Stream?

It is owned by the County Highway Agency.