US Bridges

Or 42 (hwy 035) over Lower Lookingglass Crk

Fair

Douglas County, Oregon · 04.6 MI W HWY 001 JCT · Structure no. 00805C035 07252

Built
1949
76 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete Continuous
Length
182 ft
3 main spans
Daily traffic
8,853
2022 count
Owner
State
State Highway Agency

About this bridge

Or 42 (hwy 035) over Lower Lookingglass Crk is a concrete continuous tee beam carrying Or 42 (hwy 035) over Lower Lookingglass Crk in Douglas County, Oregon. It was built in 1949, so it is 76 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 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 8,853 vehicles a day, roughly 9% of them trucks, projected to reach 11,400 by 2042. The structure is 182 ft (55.5 m) long and 31 ft wide. If it were closed, the detour would be 60.9 mi (98 km).

CarriesOr 42 (hwy 035)
CrossesLower Lookingglass Crk
Location04.6 MI W HWY 001 JCT
RouteState Highway 42
StateOregon
Coordinates43.11773, -123.42862
Functional classRural Principal Arterial - Other

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating33.2 US tons
Inventory rating25.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length182 ft (55.5 m)
Longest span70 ft (21.3 m)
Deck width31 ft (9.4 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,853 (2022)
Projected traffic11,400 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed60.9 mi (98 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Or 42 (hwy 035) over Lower Lookingglass Crk built?

It was built in 1949, making it 76 years old in 2025.

What condition is Or 42 (hwy 035) over Lower Lookingglass Crk 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 April 2024.

How much traffic does Or 42 (hwy 035) over Lower Lookingglass Crk carry?

About 8,853 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Or 42 (hwy 035) over Lower Lookingglass Crk?

The structure is 182 ft (55.5 m) long with a longest span of 70 ft (21.3 m) and a deck 31 ft wide.

Who owns Or 42 (hwy 035) over Lower Lookingglass Crk?

It is owned by the State Highway Agency.