US Bridges

Pass Creek RD over Pass Creek 021

Fair

Big Horn County, Montana · 5M SE Wyola · Structure no. L02273000+01001

Built
1979
46 years old
Condition
Fair
inspected December 2023
Type
Tee Beam
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
109
2023 count
Owner
County
County Highway Agency

About this bridge

Pass Creek RD over Pass Creek 021 is a prestressed concrete tee beam carrying Pass Creek RD over Pass Creek 021 in Big Horn 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 109 vehicles a day, roughly 3% of them trucks, projected to reach 115 by 2043. The structure is 62 ft (18.9 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesPass Creek RD
CrossesPass Creek 021
Location5M SE Wyola
RouteCounty Highway 2273
StateMontana
Coordinates45.05394, -107.35574
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50 US tons
Inventory rating35.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span61 ft (18.6 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic109 (2023)
Projected traffic115 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Pass Creek RD over Pass Creek 021 built?

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

What condition is Pass Creek RD over Pass 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 December 2023.

How much traffic does Pass Creek RD over Pass Creek 021 carry?

About 109 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Pass Creek RD over Pass Creek 021?

The structure is 62 ft (18.9 m) long with a longest span of 61 ft (18.6 m) and a deck 25 ft wide.

Who owns Pass Creek RD over Pass Creek 021?

It is owned by the County Highway Agency.