US Bridges

IRRC0UNTY Road 223 over Soap Creek 020

Fair

Big Horn County, Montana · 9M SW ST Xavier · Structure no. L02223000+02001

Built
1980
45 years old
Condition
Fair
inspected January 2024
Type
Tee Beam
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

IRRC0UNTY Road 223 over Soap Creek 020 is a prestressed concrete tee beam carrying IRRC0UNTY Road 223 over Soap Creek 020 in Big Horn County, Montana. It was built in 1980, so it is 45 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 72 ft (21.9 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIRRC0UNTY Road 223
CrossesSoap Creek 020
Location9M SW ST Xavier
RouteCounty Highway 2223
StateMontana
Coordinates45.37192, -107.78721
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length72 ft (21.9 m)
Longest span71 ft (21.6 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.6 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 closed1.9 mi (3 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 IRRC0UNTY Road 223 over Soap Creek 020 built?

It was built in 1980, making it 45 years old in 2025.

What condition is IRRC0UNTY Road 223 over Soap Creek 020 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 January 2024.

How much traffic does IRRC0UNTY Road 223 over Soap Creek 020 carry?

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

How long is IRRC0UNTY Road 223 over Soap Creek 020?

The structure is 72 ft (21.9 m) long with a longest span of 71 ft (21.6 m) and a deck 24 ft wide.

Who owns IRRC0UNTY Road 223 over Soap Creek 020?

It is owned by the County Highway Agency.