US Bridges

Hopp RD over Eagle Creek 049

FairPosted for load

Chouteau County, Montana · 20M SE Big Sandy · Structure no. L08440005+03001

Built
1971
54 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
40 ft
2 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Hopp RD over Eagle Creek 049 is a steel continuous stringer/multi-beam or girder carrying Hopp RD over Eagle Creek 049 in Chouteau County, Montana. It was built in 1971, so it is 54 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 40 ft (12.2 m) long and 26 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesHopp RD
CrossesEagle Creek 049
Location20M SE Big Sandy
RouteCounty Highway 8440
StateMontana
Coordinates47.92346, -109.92837
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating5 US tons
Inventory rating5 US tons

Structure

MaterialSteel Continuous
DeckWood or timber
Main spans2
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span19 ft (5.8 m)
Deck width26 ft (7.8 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2025)
Projected traffic100 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hopp RD over Eagle Creek 049 built?

It was built in 1971, making it 54 years old in 2025.

What condition is Hopp RD over Eagle Creek 049 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 January 2024.

How much traffic does Hopp RD over Eagle Creek 049 carry?

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

How long is Hopp RD over Eagle Creek 049?

The structure is 40 ft (12.2 m) long with a longest span of 19 ft (5.8 m) and a deck 26 ft wide.

Who owns Hopp RD over Eagle Creek 049?

It is owned by the County Highway Agency.