US Bridges

Red Lodge CR RD over E Red Lodge Creek 010

Fair

Carbon County, Montana · 8M W Roberts · Structure no. L05002007+04001

Built
1970
55 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Red Lodge CR RD over E Red Lodge Creek 010 is a prestressed concrete tee beam carrying Red Lodge CR RD over E Red Lodge Creek 010 in Carbon County, Montana. It was built in 1970, so it is 55 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 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 26 ft (7.9 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesRed Lodge CR RD
CrossesE Red Lodge Creek 010
Location8M W Roberts
RouteCounty Highway 5002
StateMontana
Coordinates45.30887, -109.30959
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 rating16.8 US tons
Inventory rating8.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 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 closed8.1 mi (13 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 Red Lodge CR RD over E Red Lodge Creek 010 built?

It was built in 1970, making it 55 years old in 2025.

What condition is Red Lodge CR RD over E Red Lodge Creek 010 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 November 2023.

How much traffic does Red Lodge CR RD over E Red Lodge Creek 010 carry?

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

How long is Red Lodge CR RD over E Red Lodge Creek 010?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 26 ft wide.

Who owns Red Lodge CR RD over E Red Lodge Creek 010?

It is owned by the County Highway Agency.