US Bridges

No Data Entered over Middle Fk Bull River

Fair

Sanders County, Montana · No Data Entered · Structure no. 011407000000198

Built
1995
30 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
33 ft
1 main span
Daily traffic
50
1993 count
Owner
Federal
U.S. Forest Service

About this bridge

No Data Entered over Middle Fk Bull River is a wood or timber stringer/multi-beam or girder carrying No Data Entered over Middle Fk Bull River in Sanders County, Montana. It was built in 1995, so it is 30 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 5 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 33 ft (10.1 m) long and 15 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesNo Data Entered
CrossesMiddle Fk Bull River
LocationNo Data Entered
RouteFederal Lands Road 410
StateMontana
Coordinates48.193, -115.81304
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.8 US tons
Inventory rating28.2 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 25 or greater
Structure length33 ft (10.1 m)
Longest span31 ft (9.6 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1993)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was No Data Entered over Middle Fk Bull River built?

It was built in 1995, making it 30 years old in 2025.

What condition is No Data Entered over Middle Fk Bull River 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 August 2023.

How much traffic does No Data Entered over Middle Fk Bull River carry?

About 50 vehicles per day (1993 count).

How long is No Data Entered over Middle Fk Bull River?

The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.6 m) and a deck 15 ft wide.

Who owns No Data Entered over Middle Fk Bull River?

It is owned by the U.S. Forest Service.