US Bridges

County Road 409 over Gothenburg Canal

Fair

Dawson County, Nebraska · 2N 2W of Gothenburg · Structure no. C002401405

Built
1984
41 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
310
2011 count
Owner
Local
Other Local Agency

About this bridge

County Road 409 over Gothenburg Canal is a prestressed concrete tee beam carrying County Road 409 over Gothenburg Canal in Dawson County, Nebraska. It was built in 1984, so it is 41 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 310 vehicles a day, projected to reach 405 by 2033. The structure is 41 ft (12.5 m) long and 31 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

Location

Open in Google Maps
CarriesCounty Road 409
CrossesGothenburg Canal
Location2N 2W of Gothenburg
RouteCounty Highway 1632
CountyDawson County
StateNebraska
Coordinates40.959, -100.2049
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating47.4 US tons
Inventory rating27.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length41 ft (12.5 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.3 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic310 (2011)
Projected traffic405 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local 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 County Road 409 over Gothenburg Canal built?

It was built in 1984, making it 41 years old in 2025.

What condition is County Road 409 over Gothenburg 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 October 2024.

How much traffic does County Road 409 over Gothenburg Canal carry?

About 310 vehicles per day (2011 count).

How long is County Road 409 over Gothenburg Canal?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns County Road 409 over Gothenburg Canal?

It is owned by the Other Local Agency.