US Bridges

County Road 31 over Low Line Canal

PoorPosted for load

Scotts Bluff County, Nebraska · 1S of Lake Minatare · Structure no. C007906120

Built
1935
90 years old, rebuilt 1987
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
39 ft
2 main spans
Daily traffic
35
2003 count
Owner
County
County Highway Agency

About this bridge

County Road 31 over Low Line Canal is a wood or timber stringer/multi-beam or girder carrying County Road 31 over Low Line Canal in Scotts Bluff County, Nebraska. It was built in 1935 and reconstructed in 1987, 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 35 vehicles a day, projected to reach 59 by 2033. The structure is 39 ft (11.9 m) long and 26 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesCounty Road 31
CrossesLow Line Canal
Location1S of Lake Minatare
RouteCounty Highway 61
Coordinates41.9032, -103.4807
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating26.5 US tons
Inventory rating17.6 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span20 ft (6.1 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2003)
Projected traffic59 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

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 Road 31 over Low Line Canal built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1987.

What condition is County Road 31 over Low Line Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does County Road 31 over Low Line Canal carry?

About 35 vehicles per day (2003 count).

How long is County Road 31 over Low Line Canal?

The structure is 39 ft (11.9 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns County Road 31 over Low Line Canal?

It is owned by the County Highway Agency.