US Bridges

Pryor RD over Pryor Creek 014

Fair

Yellowstone County, Montana · 20M S Billings · Structure no. L56300020+06001

Built
2001
24 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
596
2023 count
Owner
State
State Highway Agency

About this bridge

Pryor RD over Pryor Creek 014 is a prestressed concrete tee beam carrying Pryor RD over Pryor Creek 014 in Yellowstone County, Montana. It was built in 2001, so it is 24 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 596 vehicles a day, roughly 2% of them trucks, projected to reach 700 by 2043. The structure is 93 ft (28.2 m) long and 36 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

Location

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CarriesPryor RD
CrossesPryor Creek 014
Location20M S Billings
RouteState Highway 418
CountyYellowstone County
StateMontana
Coordinates45.46533, -108.4938
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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length93 ft (28.2 m)
Longest span93 ft (28.2 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic596 (2023)
Projected traffic700 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Pryor RD over Pryor Creek 014 built?

It was built in 2001, making it 24 years old in 2025.

What condition is Pryor RD over Pryor Creek 014 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 Pryor RD over Pryor Creek 014 carry?

About 596 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Pryor RD over Pryor Creek 014?

The structure is 93 ft (28.2 m) long with a longest span of 93 ft (28.2 m) and a deck 36 ft wide.

Who owns Pryor RD over Pryor Creek 014?

It is owned by the State Highway Agency.