US Bridges

Fly Creek RD over Int Ballantine-I 90 003

Fair

Big Horn County, Montana · 16M W Hardin · Structure no. L02012003+08001

Built
1972
53 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
272 ft
2 main spans
Daily traffic
100
2025 count
Owner
State
State Highway Agency

About this bridge

Fly Creek RD over Int Ballantine-I 90 003 is a steel continuous stringer/multi-beam or girder carrying Fly Creek RD over Int Ballantine-I 90 003 in Big Horn County, Montana. It was built in 1972, so it is 53 years old, older 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 272 ft (82.9 m) long and 32 ft wide.

CarriesFly Creek RD
CrossesInt Ballantine-I 90 003
Location16M W Hardin
RouteCounty Highway 2012
StateMontana
Coordinates45.78038, -107.95632
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29 US tons
Inventory rating22 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length272 ft (82.9 m)
Longest span134 ft (40.8 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2025)
Projected traffic100 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Fly Creek RD over Int Ballantine-I 90 003 built?

It was built in 1972, making it 53 years old in 2025.

What condition is Fly Creek RD over Int Ballantine-I 90 003 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 March 2024.

How much traffic does Fly Creek RD over Int Ballantine-I 90 003 carry?

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

How long is Fly Creek RD over Int Ballantine-I 90 003?

The structure is 272 ft (82.9 m) long with a longest span of 134 ft (40.8 m) and a deck 32 ft wide.

Who owns Fly Creek RD over Int Ballantine-I 90 003?

It is owned by the State Highway Agency.