US Bridges

S 568-FLY CR RD over Int Pompeys Pillar-I 94

Fair

Yellowstone County, Montana · 1M W Pompey`s Pillar · Structure no. S00568000+00001

Built
1968
57 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
264 ft
4 main spans
Daily traffic
401
2023 count
Owner
State
State Highway Agency

About this bridge

S 568-FLY CR RD over Int Pompeys Pillar-I 94 is a steel continuous stringer/multi-beam or girder carrying S 568-FLY CR RD over Int Pompeys Pillar-I 94 in Yellowstone County, Montana. It was built in 1968, so it is 57 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 5 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 401 vehicles a day, roughly 7% of them trucks, projected to reach 421 by 2043. The structure is 264 ft (80.5 m) long and 34 ft wide.

CarriesS 568-FLY CR RD
CrossesInt Pompeys Pillar-I 94
Location1M W Pompey`s Pillar
RouteState Highway 568
StateMontana
Coordinates45.98679, -107.99041
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length264 ft (80.5 m)
Longest span81 ft (24.8 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic401 (2023)
Projected traffic421 by 2043
Trucks7%
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 S 568-FLY CR RD over Int Pompeys Pillar-I 94 built?

It was built in 1968, making it 57 years old in 2025.

What condition is S 568-FLY CR RD over Int Pompeys Pillar-I 94 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 April 2024.

How much traffic does S 568-FLY CR RD over Int Pompeys Pillar-I 94 carry?

About 401 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is S 568-FLY CR RD over Int Pompeys Pillar-I 94?

The structure is 264 ft (80.5 m) long with a longest span of 81 ft (24.8 m) and a deck 34 ft wide.

Who owns S 568-FLY CR RD over Int Pompeys Pillar-I 94?

It is owned by the State Highway Agency.