US Bridges

County Road 103 over Hanging Woman Creek 056

Fair

Big Horn County, Montana · 24M NE Decker · Structure no. L02103021+07001

Built
1986
39 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
203
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 103 over Hanging Woman Creek 056 is a prestressed concrete tee beam carrying County Road 103 over Hanging Woman Creek 056 in Big Horn County, Montana. It was built in 1986, so it is 39 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 203 vehicles a day, roughly 3% of them trucks, projected to reach 214 by 2043. The structure is 78 ft (23.8 m) long and 26 ft wide. If it were closed, the detour would be 70.2 mi (113 km).

CarriesCounty Road 103
CrossesHanging Woman Creek 056
Location24M NE Decker
RouteCounty Highway 2103
StateMontana
Coordinates45.13393, -106.48381
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span75 ft (22.9 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic203 (2023)
Projected traffic214 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed70.2 mi (113 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 County Road 103 over Hanging Woman Creek 056 built?

It was built in 1986, making it 39 years old in 2025.

What condition is County Road 103 over Hanging Woman Creek 056 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 July 2024.

How much traffic does County Road 103 over Hanging Woman Creek 056 carry?

About 203 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is County Road 103 over Hanging Woman Creek 056?

The structure is 78 ft (23.8 m) long with a longest span of 75 ft (22.9 m) and a deck 26 ft wide.

Who owns County Road 103 over Hanging Woman Creek 056?

It is owned by the County Highway Agency.