US Bridges

Hogan RD over Pryor Creek 007

Fair

Yellowstone County, Montana · 7M S Huntley · Structure no. L56007000+01001

Built
1979
46 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Hogan RD over Pryor Creek 007 is a prestressed concrete tee beam carrying Hogan RD over Pryor Creek 007 in Yellowstone County, Montana. It was built in 1979, so it is 46 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 92 ft (28 m) long and 26 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesHogan RD
CrossesPryor Creek 007
Location7M S Huntley
RouteCounty Highway 56007
StateMontana
Coordinates45.81984, -108.29043
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating29 US tons
Inventory rating29 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length92 ft (28 m)
Longest span92 ft (28 m)
Deck width26 ft (7.9 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 closed24.2 mi (39 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 Hogan RD over Pryor Creek 007 built?

It was built in 1979, making it 46 years old in 2025.

What condition is Hogan RD over Pryor 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 May 2023.

How much traffic does Hogan RD over Pryor Creek 007 carry?

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

How long is Hogan RD over Pryor Creek 007?

The structure is 92 ft (28 m) long with a longest span of 92 ft (28 m) and a deck 26 ft wide.

Who owns Hogan RD over Pryor Creek 007?

It is owned by the County Highway Agency.