US Bridges

Tumala Mountian RD over Fall Creek

Good

Clackamas County, Oregon · 8.7 Miles East of HWY 224 · Structure no. 20119 028 00185

Built
2005
20 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
3,214
2022 count
Owner
County
County Highway Agency

About this bridge

Tumala Mountian RD over Fall Creek is a prestressed concrete slab carrying Tumala Mountian RD over Fall Creek in Clackamas County, Oregon. It was built in 2005, so it is 20 years old, younger than the Oregon average of 49.9 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 3,214 vehicles a day, roughly 18% of them trucks, projected to reach 3,500 by 2042. The structure is 40 ft (12.1 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTumala Mountian RD
CrossesFall Creek
Location8.7 Miles East of HWY 224
RouteCounty Highway 0
StateOregon
Coordinates45.25122, -122.16856
Functional classRural Major Collector

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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length40 ft (12.1 m)
Longest span40 ft (12.1 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,214 (2022)
Projected traffic3,500 by 2042
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Tumala Mountian RD over Fall Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Tumala Mountian RD over Fall Creek 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 July 2024.

How much traffic does Tumala Mountian RD over Fall Creek carry?

About 3,214 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is Tumala Mountian RD over Fall Creek?

The structure is 40 ft (12.1 m) long with a longest span of 40 ft (12.1 m) and a deck 32 ft wide.

Who owns Tumala Mountian RD over Fall Creek?

It is owned by the County Highway Agency.