US Bridges

Coll 7122 over Low Line Canal

Good

Morrill County, Nebraska · 6.5N 1.5W Bayard · Structure no. C006202205

Built
1975
50 years old
Condition
Good
inspected October 2024
Type
Channel Beam
Concrete
Length
30 ft
1 main span
Daily traffic
110
2022 count
Owner
County
County Highway Agency

About this bridge

Coll 7122 over Low Line Canal is a concrete channel beam carrying Coll 7122 over Low Line Canal in Morrill County, Nebraska. It was built in 1975, so it is 50 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 110 vehicles a day, roughly 25% of them trucks, projected to reach 110 by 2039. The structure is 30 ft (9.1 m) long and 27 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesColl 7122
CrossesLow Line Canal
Location6.5N 1.5W Bayard
RouteCounty Highway 7122
Coordinates41.8591, -103.351
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.8 US tons
Inventory rating57.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width27 ft (8.3 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2022)
Projected traffic110 by 2039
Trucks25%
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

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 Coll 7122 over Low Line Canal built?

It was built in 1975, making it 50 years old in 2025.

What condition is Coll 7122 over Low Line 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 Coll 7122 over Low Line Canal carry?

About 110 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is Coll 7122 over Low Line Canal?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 27 ft wide.

Who owns Coll 7122 over Low Line Canal?

It is owned by the County Highway Agency.