US Bridges

Aronson Ave over Alkali Creek 202

Good

Yellowstone County, Montana · Billings-Aronson Ave · Structure no. M56010000+09001

Built
2008
17 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
199 ft
1 main span
Daily traffic
10,114
2023 count
Owner
County
County Highway Agency

About this bridge

Aronson Ave over Alkali Creek 202 is a steel stringer/multi-beam or girder carrying Aronson Ave over Alkali Creek 202 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,114 vehicles a day, projected to reach 10,771 by 2043. The structure is 199 ft (60.6 m) long and 69 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesAronson Ave
CrossesAlkali Creek 202
LocationBillings-Aronson Ave
RouteCity Street 56010
StateMontana
Coordinates45.80495, -108.48442
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating36 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length199 ft (60.6 m)
Longest span199 ft (60.6 m)
Deck width69 ft (21.1 m)
Roadway width37 ft (11.4 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 Alkali Creek 202 built?

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

What condition is Aronson Ave over Alkali Creek 202 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does Aronson Ave over Alkali Creek 202 carry?

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

How long is Aronson Ave over Alkali Creek 202?

The structure is 199 ft (60.6 m) long with a longest span of 199 ft (60.6 m) and a deck 69 ft wide.

Who owns Aronson Ave over Alkali Creek 202?

It is owned by the County Highway Agency.