US Bridges

Reserve ST over W Broadway St-Rr

Fair

Missoula County, Montana · Missoula-Reserve ST · Structure no. P00071001+00171

Built
1998
27 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
490 ft
5 main spans
Daily traffic
29,572
2023 count
Owner
State
State Highway Agency

About this bridge

Reserve ST over W Broadway St-Rr is a steel continuous stringer/multi-beam or girder carrying Reserve ST over W Broadway St-Rr in Missoula County, Montana. It was built in 1998, so it is 27 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 29,572 vehicles a day, roughly 1% of them trucks, projected to reach 31,198 by 2043. The structure is 490 ft (149.3 m) long and 79 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesReserve ST
CrossesW Broadway St-Rr
LocationMissoula-Reserve ST
RouteU.S. Route 93
CountyMissoula County
StateMontana
Coordinates46.89936, -114.03927
Functional classUrban Other Principal Arterial

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.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating15 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length490 ft (149.3 m)
Longest span114 ft (34.7 m)
Deck width79 ft (24 m)
Roadway width63 ft (19.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,572 (2023)
Projected traffic31,198 by 2043
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Reserve ST over W Broadway St-Rr built?

It was built in 1998, making it 27 years old in 2025.

What condition is Reserve ST over W Broadway St-Rr 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 July 2024.

How much traffic does Reserve ST over W Broadway St-Rr carry?

About 29,572 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Reserve ST over W Broadway St-Rr?

The structure is 490 ft (149.3 m) long with a longest span of 114 ft (34.7 m) and a deck 79 ft wide.

Who owns Reserve ST over W Broadway St-Rr?

It is owned by the State Highway Agency.