US Bridges

Road 763 over Thirtymile Canal

Good

Dawson County, Nebraska · 2.5S 2.5W of Gothenburg · Structure no. C002402405

Built
1935
90 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
25
2003 count
Owner
Local
Other Local Agency

About this bridge

Road 763 over Thirtymile Canal is a concrete culvert carrying Road 763 over Thirtymile Canal in Dawson County, Nebraska. It was built in 1935, so it is 90 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, projected to reach 35 by 2033. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesRoad 763
CrossesThirtymile Canal
Location2.5S 2.5W of Gothenburg
RouteCounty Highway 24
CountyDawson County
StateNebraska
Coordinates40.8874, -100.2167
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.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable 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 loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2003)
Projected traffic35 by 2033
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

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 Road 763 over Thirtymile Canal built?

It was built in 1935, making it 90 years old in 2025.

What condition is Road 763 over Thirtymile 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 Road 763 over Thirtymile Canal carry?

About 25 vehicles per day (2003 count).

How long is Road 763 over Thirtymile Canal?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns Road 763 over Thirtymile Canal?

It is owned by the Other Local Agency.