US Bridges

Falls Access Road over Tumalo Creek

Fair

Deschutes County, Oregon · 11.8 M W of Bend on #4603 · Structure no. 060101000001000

Built
1988
37 years old, rebuilt 2000
Condition
Fair
inspected October 2024
Type
Slab
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
300
2019 count
Owner
Federal
U.S. Forest Service

About this bridge

Falls Access Road over Tumalo Creek is a prestressed concrete slab carrying Falls Access Road over Tumalo Creek in Deschutes County, Oregon. It was built in 1988 and reconstructed in 2000, so it is 37 years old, younger than the Oregon average of 49.9 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 300 vehicles a day, roughly 2% of them trucks, projected to reach 450 by 2045. The structure is 43 ft (13 m) long and 16 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesFalls Access Road
CrossesTumalo Creek
Location11.8 M W of Bend on #4603
RouteFederal Lands Road 46030
StateOregon
Coordinates44.03178, -121.5649
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating70.1 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadH 20
Structure length43 ft (13 m)
Longest span41 ft (12.6 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2019)
Projected traffic450 by 2045
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Falls Access Road over Tumalo Creek built?

It was built in 1988, making it 37 years old in 2025. It was reconstructed in 2000.

What condition is Falls Access Road over Tumalo Creek 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 October 2024.

How much traffic does Falls Access Road over Tumalo Creek carry?

About 300 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Falls Access Road over Tumalo Creek?

The structure is 43 ft (13 m) long with a longest span of 41 ft (12.6 m) and a deck 16 ft wide.

Who owns Falls Access Road over Tumalo Creek?

It is owned by the U.S. Forest Service.