US Bridges

S 569 over French Gulch 042

Good

Deer Lodge County, Montana · 19M SW Anaconda · Structure no. L12001016+04001

Built
2015
10 years old
Condition
Good
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
293
2023 count
Owner
County
County Highway Agency

About this bridge

S 569 over French Gulch 042 is a prestressed concrete tee beam carrying S 569 over French Gulch 042 in Deer Lodge County, Montana. It was built in 2015, so it is 10 years old, younger than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 293 vehicles a day, roughly 74% of them trucks, projected to reach 316 by 2043. The structure is 93 ft (28.4 m) long and 31 ft wide. If it were closed, the detour would be 72.7 mi (117 km).

CarriesS 569
CrossesFrench Gulch 042
Location19M SW Anaconda
RouteCounty Highway 569
StateMontana
Coordinates45.94167, -113.07389
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating43 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadH 15
Structure length93 ft (28.4 m)
Longest span90 ft (27.4 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic293 (2023)
Projected traffic316 by 2043
Trucks74%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed72.7 mi (117 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 S 569 over French Gulch 042 built?

It was built in 2015, making it 10 years old in 2025.

What condition is S 569 over French Gulch 042 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does S 569 over French Gulch 042 carry?

About 293 vehicles per day (2023 count), of which roughly 74% are trucks.

How long is S 569 over French Gulch 042?

The structure is 93 ft (28.4 m) long with a longest span of 90 ft (27.4 m) and a deck 31 ft wide.

Who owns S 569 over French Gulch 042?

It is owned by the County Highway Agency.