US Bridges

Cedar Street over Warm Springs Creek 007

Fair

Deer Lodge County, Montana · Anaconda-Cedar ST · Structure no. M12002000+00101

Built
1997
28 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
61 ft
2 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Cedar Street over Warm Springs Creek 007 is a prestressed concrete continuous tee beam carrying Cedar Street over Warm Springs Creek 007 in Deer Lodge County, Montana. It was built in 1997, so it is 28 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.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 61 ft (18.7 m) long and 56 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCedar Street
CrossesWarm Springs Creek 007
LocationAnaconda-Cedar ST
RouteCity Street 12002
StateMontana
Coordinates46.13207, -112.94746
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length61 ft (18.7 m)
Longest span30 ft (9.1 m)
Deck width56 ft (17 m)
Roadway width46 ft (14 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 closed1.9 mi (3 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 Cedar Street over Warm Springs Creek 007 built?

It was built in 1997, making it 28 years old in 2025.

What condition is Cedar Street over Warm Springs Creek 007 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 2024.

How much traffic does Cedar Street over Warm Springs Creek 007 carry?

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

How long is Cedar Street over Warm Springs Creek 007?

The structure is 61 ft (18.7 m) long with a longest span of 30 ft (9.1 m) and a deck 56 ft wide.

Who owns Cedar Street over Warm Springs Creek 007?

It is owned by the County Highway Agency.