US Bridges

Airport RD over Morrell Creek 092

Good

Missoula County, Montana · 1M E Seeley Lake · Structure no. L32602000+05001

Built
2009
16 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
79 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Airport RD over Morrell Creek 092 is a prestressed concrete stringer/multi-beam or girder carrying Airport RD over Morrell Creek 092 in Missoula County, Montana. It was built in 2009, so it is 16 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 79 ft (24 m) long and 39 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesAirport RD
CrossesMorrell Creek 092
Location1M E Seeley Lake
RouteCounty Highway 32602
StateMontana
Coordinates47.17305, -113.4693
Functional classRural 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 protection9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length79 ft (24 m)
Longest span79 ft (24 m)
Deck width39 ft (11.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2025)
Projected traffic100 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$180,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Airport RD over Morrell Creek 092 built?

It was built in 2009, making it 16 years old in 2025.

What condition is Airport RD over Morrell Creek 092 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 October 2023.

How much traffic does Airport RD over Morrell Creek 092 carry?

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

How long is Airport RD over Morrell Creek 092?

The structure is 79 ft (24 m) long with a longest span of 79 ft (24 m) and a deck 39 ft wide.

Who owns Airport RD over Morrell Creek 092?

It is owned by the County Highway Agency.