US Bridges

Aronson Ave over Bbwa Canal 203

Fair

Yellowstone County, Montana · Billings-Aronson Ave · Structure no. M56010001+01001

Built
2008
17 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
10,114
2023 count
Owner
County
County Highway Agency

About this bridge

Aronson Ave over Bbwa Canal 203 is a prestressed concrete tee beam carrying Aronson Ave over Bbwa Canal 203 in Yellowstone County, Montana. It was built in 2008, so it is 17 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 10,114 vehicles a day, projected to reach 10,771 by 2043. The structure is 55 ft (16.8 m) long and 57 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesAronson Ave
CrossesBbwa Canal 203
LocationBillings-Aronson Ave
RouteCity Street 56010
StateMontana
Coordinates45.80605, -108.48613
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66 US tons
Inventory rating44 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length55 ft (16.8 m)
Longest span55 ft (16.8 m)
Deck width57 ft (17.5 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,114 (2023)
Projected traffic10,771 by 2043
Trucks0%
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 Aronson Ave over Bbwa Canal 203 built?

It was built in 2008, making it 17 years old in 2025.

What condition is Aronson Ave over Bbwa Canal 203 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 October 2024.

How much traffic does Aronson Ave over Bbwa Canal 203 carry?

About 10,114 vehicles per day (2023 count).

How long is Aronson Ave over Bbwa Canal 203?

The structure is 55 ft (16.8 m) long with a longest span of 55 ft (16.8 m) and a deck 57 ft wide.

Who owns Aronson Ave over Bbwa Canal 203?

It is owned by the County Highway Agency.