US Bridges

Pugsley RD over Marias River 006

FairPosted for load

Liberty County, Montana · 18M SW Chester · Structure no. L26038005+01001

Built
1951
74 years old, rebuilt 1987
Condition
Fair
inspected July 2024
Type
Suspension
Steel
Length
328 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Pugsley RD over Marias River 006 is a steel suspension carrying Pugsley RD over Marias River 006 in Liberty County, Montana. It was built in 1951 and reconstructed in 1987, so it is 74 years old, older 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. 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 328 ft (100.1 m) long and 16 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesPugsley RD
CrossesMarias River 006
Location18M SW Chester
RouteCounty Highway 26038
StateMontana
Coordinates48.29106, -111.04648
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 protection7 GoodSome minor problems.
Last inspectionJuly 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating17 US tons
Inventory rating12 US tons

Structure

Structure typeSuspension
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadHS 15
Structure length328 ft (100.1 m)
Longest span290 ft (88.4 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deck17 ft (5 m)

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 closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pugsley RD over Marias River 006 built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1987.

What condition is Pugsley RD over Marias River 006 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 July 2024.

How much traffic does Pugsley RD over Marias River 006 carry?

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

How long is Pugsley RD over Marias River 006?

The structure is 328 ft (100.1 m) long with a longest span of 290 ft (88.4 m) and a deck 16 ft wide.

Who owns Pugsley RD over Marias River 006?

It is owned by the County Highway Agency.