US Bridges

County Road 420 over Gothenburg Canal

Good

Dawson County, Nebraska · JCT US30/N21 7.6N .5W · Structure no. C002412525

Built
1978
47 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
90
2003 count
Owner
Local
Other Local Agency

About this bridge

County Road 420 over Gothenburg Canal is a concrete culvert carrying County Road 420 over Gothenburg Canal in Dawson County, Nebraska. It was built in 1978, so it is 47 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 90 vehicles a day, projected to reach 126 by 2033. The structure is 24 ft (7.3 m) long and 26 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesCounty Road 420
CrossesGothenburg Canal
LocationJCT US30/N21 7.6N .5W
RouteCounty Highway 125
CountyDawson County
StateNebraska
Coordinates40.97, -99.995
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2003)
Projected traffic126 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 420 over Gothenburg Canal built?

It was built in 1978, making it 47 years old in 2025.

What condition is County Road 420 over Gothenburg Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does County Road 420 over Gothenburg Canal carry?

About 90 vehicles per day (2003 count).

How long is County Road 420 over Gothenburg Canal?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns County Road 420 over Gothenburg Canal?

It is owned by the Other Local Agency.