US Bridges

County Highway over Mirdan Canal

Good

Garfield County, Nebraska · .5S 1.5W Burwell · Structure no. C003600705

Built
1984
41 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
47 ft
3 main spans
Daily traffic
5
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Mirdan Canal is a concrete culvert carrying County Highway over Mirdan Canal in Garfield 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 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 5 vehicles a day, projected to reach 8 by 2033. The structure is 47 ft (14.3 m) long. If it were closed, the detour would be 12.4 mi (20 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesMirdan Canal
Location.5S 1.5W Burwell
RouteCounty Highway 7
CountyGarfield County
StateNebraska
Coordinates41.7683, -99.1633
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 protection9 ExcellentNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2003)
Projected traffic8 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Mirdan Canal built?

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

What condition is County Highway over Mirdan 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 2023.

How much traffic does County Highway over Mirdan Canal carry?

About 5 vehicles per day (2003 count).

How long is County Highway over Mirdan Canal?

The structure is 47 ft (14.3 m) long with a longest span of 14 ft (4.3 m).

Who owns County Highway over Mirdan Canal?

It is owned by the County Highway Agency.