US Bridges

HWY 100 over Bridal Veil Falls

Fair

Multnomah County, Oregon · 3.7 MI W Multnomah Falls · Structure no. 00823 125 01601

Built
1914
111 years old
Condition
Fair
inspected September 2023
Type
Girder and Floorbeam System
Concrete Continuous
Length
118 ft
6 main spans
Daily traffic
1,107
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 100 over Bridal Veil Falls is a concrete continuous girder and floorbeam system carrying HWY 100 over Bridal Veil Falls in Multnomah County, Oregon. It was built in 1914, so it is 111 years old, older 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 5 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 1,107 vehicles a day, roughly 4% of them trucks, projected to reach 1,200 by 2042. The structure is 118 ft (36 m) long and 24 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

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CarriesHWY 100
CrossesBridal Veil Falls
Location3.7 MI W Multnomah Falls
RouteState Highway 30
CountyMultnomah County
StateOregon
Coordinates45.55419, -122.1803
Functional classRural Major Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating17.5 US tons
Inventory rating13.6 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length118 ft (36 m)
Longest span30 ft (9.1 m)
Deck width24 ft (7.3 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,107 (2022)
Projected traffic1,200 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$605,000
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY 100 over Bridal Veil Falls built?

It was built in 1914, making it 111 years old in 2025.

What condition is HWY 100 over Bridal Veil Falls 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 September 2023.

How much traffic does HWY 100 over Bridal Veil Falls carry?

About 1,107 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is HWY 100 over Bridal Veil Falls?

The structure is 118 ft (36 m) long with a longest span of 30 ft (9.1 m) and a deck 24 ft wide.

Who owns HWY 100 over Bridal Veil Falls?

It is owned by the State Highway Agency.