US Bridges

Township Road over Milburn-Sargent Canal

PoorPosted for load

Custer County, Nebraska · 2.5N 12W of Sargent · Structure no. C002156720

Built
1950
75 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
60 ft
2 main spans
Daily traffic
10
2003 count
Owner
County
County Highway Agency

About this bridge

Township Road over Milburn-Sargent Canal is a wood or timber stringer/multi-beam or girder carrying Township Road over Milburn-Sargent Canal in Custer County, Nebraska. It was built in 1950, so it is 75 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 10 vehicles a day, projected to reach 17 by 2033. The structure is 60 ft (18.3 m) long and 18 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

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CarriesTownship Road
CrossesMilburn-Sargent Canal
Location2.5N 12W of Sargent
RouteCounty Highway 567
CountyCuster County
StateNebraska
Coordinates41.6812, -99.6163
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating15.4 US tons
Inventory rating8.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span29 ft (8.8 m)
Deck width18 ft (5.4 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2003)
Projected traffic17 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Township Road over Milburn-Sargent Canal built?

It was built in 1950, making it 75 years old in 2025.

What condition is Township Road over Milburn-Sargent 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 October 2024.

How much traffic does Township Road over Milburn-Sargent Canal carry?

About 10 vehicles per day (2003 count).

How long is Township Road over Milburn-Sargent Canal?

The structure is 60 ft (18.3 m) long with a longest span of 29 ft (8.8 m) and a deck 18 ft wide.

Who owns Township Road over Milburn-Sargent Canal?

It is owned by the County Highway Agency.