US Bridges

1st ST over Elkhorn River

Fair

Madison County, Nebraska · .5 S Norfolk · Structure no. C005914520

Built
1964
61 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
333 ft
3 main spans
Daily traffic
2,005
2011 count
Owner
County
County Highway Agency

About this bridge

1st ST over Elkhorn River is a steel continuous stringer/multi-beam or girder carrying 1st ST over Elkhorn River in Madison County, Nebraska. It was built in 1964, so it is 61 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,005 vehicles a day, projected to reach 1,930 by 2038. The structure is 333 ft (101.5 m) long and 32 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Carries1st ST
CrossesElkhorn River
Location.5 S Norfolk
RouteCity Street 6009
Coordinates42.0013, -97.4071
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating32 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length333 ft (101.5 m)
Longest span130 ft (39.6 m)
Deck width32 ft (9.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,005 (2011)
Projected traffic1,930 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-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 1st ST over Elkhorn River built?

It was built in 1964, making it 61 years old in 2025.

What condition is 1st ST over Elkhorn River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2023.

How much traffic does 1st ST over Elkhorn River carry?

About 2,005 vehicles per day (2011 count).

How long is 1st ST over Elkhorn River?

The structure is 333 ft (101.5 m) long with a longest span of 130 ft (39.6 m) and a deck 32 ft wide.

Who owns 1st ST over Elkhorn River?

It is owned by the County Highway Agency.