US Bridges

Fishing Access over Irrigation Canal

FairPosted for load

Madison County, Montana · 5M S Ennis · Structure no. 000000000007043

Built
1991
34 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
24 ft
1 main span
Daily traffic
100
2025 count
Owner
State
Other State Agency

About this bridge

Fishing Access over Irrigation Canal is a wood or timber stringer/multi-beam or girder carrying Fishing Access over Irrigation Canal in Madison County, Montana. It was built in 1991, so it is 34 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 24 ft (7.4 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesFishing Access
CrossesIrrigation Canal
Location5M S Ennis
RouteState Lands Road 0
StateMontana
Coordinates45.29906, -111.75594
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating29 US tons
Inventory rating22 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length24 ft (7.4 m)
Longest span23 ft (6.9 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2025)
Projected traffic100 by 2040
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State 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 Fishing Access over Irrigation Canal built?

It was built in 1991, making it 34 years old in 2025.

What condition is Fishing Access over Irrigation 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 Fishing Access over Irrigation Canal carry?

About 100 vehicles per day (2025 count), of which roughly 3% are trucks.

How long is Fishing Access over Irrigation Canal?

The structure is 24 ft (7.4 m) long with a longest span of 23 ft (6.9 m) and a deck 16 ft wide.

Who owns Fishing Access over Irrigation Canal?

It is owned by the Other State Agency.