US Bridges

S 16-HOLLY ST over Usrs Canal

Fair

Richland County, Montana · NW Edge Sidney-Holly ST · Structure no. P00062036+06701

Built
1999
26 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
5,874
2023 count
Owner
State
State Highway Agency

About this bridge

S 16-HOLLY ST over Usrs Canal is a prestressed concrete stringer/multi-beam or girder carrying S 16-HOLLY ST over Usrs Canal in Richland County, Montana. It was built in 1999, so it is 26 years old, younger than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 5,874 vehicles a day, roughly 3% of them trucks, projected to reach 6,168 by 2043. The structure is 74 ft (22.7 m) long and 50 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesS 16-HOLLY ST
CrossesUsrs Canal
LocationNW Edge Sidney-Holly ST
RouteState Highway 16
CountyRichland County
StateMontana
Coordinates47.7181, -104.17853
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length74 ft (22.7 m)
Longest span70 ft (21.3 m)
Deck width50 ft (15.1 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,874 (2023)
Projected traffic6,168 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 S 16-HOLLY ST over Usrs Canal built?

It was built in 1999, making it 26 years old in 2025.

What condition is S 16-HOLLY ST over Usrs Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does S 16-HOLLY ST over Usrs Canal carry?

About 5,874 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S 16-HOLLY ST over Usrs Canal?

The structure is 74 ft (22.7 m) long with a longest span of 70 ft (21.3 m) and a deck 50 ft wide.

Who owns S 16-HOLLY ST over Usrs Canal?

It is owned by the State Highway Agency.