US Bridges

County Highway over N Fk Elkhorn River

PoorClosed to traffic

Madison County, Nebraska · 1N of Norfolk · Structure no. C005940615

Built
1906
119 years old
Condition
Poor
inspected June 2024
Type
Truss - Thru
Steel
Length
125 ft
1 main span
Daily traffic
100
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over N Fk Elkhorn River is a steel truss - thru carrying County Highway over N Fk Elkhorn River in Madison County, Nebraska. It was built in 1906, so it is 119 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 170 by 2030. The structure is 125 ft (38.1 m) long and 16 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesCounty Highway
CrossesN Fk Elkhorn River
Location1N of Norfolk
RouteCounty Highway 406
Coordinates42.0619, -97.4189
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourScour critical; bridge has failed and is closed
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadUnknown
Structure length125 ft (38.1 m)
Longest span70 ft (21.3 m)
Deck width16 ft (4.8 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2003)
Projected traffic170 by 2030
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 County Highway over N Fk Elkhorn River built?

It was built in 1906, making it 119 years old in 2025.

What condition is County Highway over N Fk Elkhorn 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 2024.

How much traffic does County Highway over N Fk Elkhorn River carry?

About 100 vehicles per day (2003 count), of which roughly 10% are trucks.

How long is County Highway over N Fk Elkhorn River?

The structure is 125 ft (38.1 m) long with a longest span of 70 ft (21.3 m) and a deck 16 ft wide.

Who owns County Highway over N Fk Elkhorn River?

It is owned by the County Highway Agency.