US Bridges

Central Ave over Missouri River-Ped Trail

Good

Cascade County, Montana · Great Falls-Central Ave W · Structure no. U05210001+04961

Built
1980
45 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
964 ft
8 main spans
Daily traffic
24,549
2023 count
Owner
State
State Highway Agency

About this bridge

Central Ave over Missouri River-Ped Trail is a prestressed concrete stringer/multi-beam or girder carrying Central Ave over Missouri River-Ped Trail in Cascade County, Montana. It was built in 1980, so it is 45 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 24,549 vehicles a day, roughly 2% of them trucks, projected to reach 25,776 by 2043. The structure is 964 ft (293.8 m) long and 89 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCentral Ave
CrossesMissouri River-Ped Trail
LocationGreat Falls-Central Ave W
RouteCity Street 103
CountyCascade County
StateMontana
Coordinates47.50677, -111.31202
Functional classUrban Other Principal Arterial

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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length964 ft (293.8 m)
Longest span131 ft (39.9 m)
Deck width89 ft (27.1 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,549 (2023)
Projected traffic25,776 by 2043
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Central Ave over Missouri River-Ped Trail built?

It was built in 1980, making it 45 years old in 2025.

What condition is Central Ave over Missouri River-Ped Trail 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 June 2024.

How much traffic does Central Ave over Missouri River-Ped Trail carry?

About 24,549 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Central Ave over Missouri River-Ped Trail?

The structure is 964 ft (293.8 m) long with a longest span of 131 ft (39.9 m) and a deck 89 ft wide.

Who owns Central Ave over Missouri River-Ped Trail?

It is owned by the State Highway Agency.