US Bridges

SB-US81 over Columbus Genoa Canal

Fair

Platte County, Nebraska · 7NW Columbus · Structure no. S081 11938L

Built
1995
30 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
123 ft
3 main spans
Daily traffic
7,875
2018 count
Owner
State
State Highway Agency

About this bridge

SB-US81 over Columbus Genoa Canal is a steel continuous stringer/multi-beam or girder carrying SB-US81 over Columbus Genoa Canal in Platte County, Nebraska. It was built in 1995, so it is 30 years old, younger 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 6 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 7,875 vehicles a day, roughly 18% of them trucks, projected to reach 11,419 by 2038. The structure is 123 ft (37.5 m) long and 41 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesSB-US81
CrossesColumbus Genoa Canal
Location7NW Columbus
RouteU.S. Route 81
CountyPlatte County
StateNebraska
Coordinates41.4982, -97.4651
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.7 US tons
Inventory rating49.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length123 ft (37.5 m)
Longest span50 ft (15.2 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,875 (2018)
Projected traffic11,419 by 2038
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemYes

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 SB-US81 over Columbus Genoa Canal built?

It was built in 1995, making it 30 years old in 2025.

What condition is SB-US81 over Columbus Genoa Canal 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 June 2023.

How much traffic does SB-US81 over Columbus Genoa Canal carry?

About 7,875 vehicles per day (2018 count), of which roughly 18% are trucks.

How long is SB-US81 over Columbus Genoa Canal?

The structure is 123 ft (37.5 m) long with a longest span of 50 ft (15.2 m) and a deck 41 ft wide.

Who owns SB-US81 over Columbus Genoa Canal?

It is owned by the State Highway Agency.