US Bridges

Klakken RD over Pilgrim Creek 053

Good

Sanders County, Montana · E Noxon · Structure no. L45042022+06001

Built
1972
53 years old
Condition
Good
inspected June 2024
Type
Channel Beam
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
173
2023 count
Owner
County
County Highway Agency

About this bridge

Klakken RD over Pilgrim Creek 053 is a prestressed concrete channel beam carrying Klakken RD over Pilgrim Creek 053 in Sanders County, Montana. It was built in 1972, so it is 53 years old, older 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 173 vehicles a day, roughly 3% of them trucks, projected to reach 185 by 2043. The structure is 33 ft (10.1 m) long and 20 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesKlakken RD
CrossesPilgrim Creek 053
LocationE Noxon
RouteCounty Highway 45001
StateMontana
Coordinates47.99226, -115.76889
Functional classRural Minor 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
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
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span32 ft (9.8 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic173 (2023)
Projected traffic185 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 Klakken RD over Pilgrim Creek 053 built?

It was built in 1972, making it 53 years old in 2025.

What condition is Klakken RD over Pilgrim Creek 053 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 June 2024.

How much traffic does Klakken RD over Pilgrim Creek 053 carry?

About 173 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Klakken RD over Pilgrim Creek 053?

The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.8 m) and a deck 20 ft wide.

Who owns Klakken RD over Pilgrim Creek 053?

It is owned by the County Highway Agency.