US Bridges

Mcclellan Creek RD over Prickly Pear Creek 021

Fair

Jefferson County, Montana · Montana City · Structure no. L22202000+05001

Built
1975
50 years old
Condition
Fair
inspected March 2024
Type
Channel Beam
Concrete
Length
23 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Mcclellan Creek RD over Prickly Pear Creek 021 is a concrete channel beam carrying Mcclellan Creek RD over Prickly Pear Creek 021 in Jefferson County, Montana. It was built in 1975, so it is 50 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 23 ft (7 m) long and 29 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesMcclellan Creek RD
CrossesPrickly Pear Creek 021
LocationMontana City
RouteCounty Highway 22202
StateMontana
Coordinates46.53433, -111.93584
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 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 closed6.8 mi (11 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 Mcclellan Creek RD over Prickly Pear Creek 021 built?

It was built in 1975, making it 50 years old in 2025.

What condition is Mcclellan Creek RD over Prickly Pear Creek 021 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 March 2024.

How much traffic does Mcclellan Creek RD over Prickly Pear Creek 021 carry?

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

How long is Mcclellan Creek RD over Prickly Pear Creek 021?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 29 ft wide.

Who owns Mcclellan Creek RD over Prickly Pear Creek 021?

It is owned by the County Highway Agency.