US Bridges

Brockway Rd. over Lookingglass Creek

FairPosted for load

Douglas County, Oregon · 0.5 MI N of Brockway Stor · Structure no. 19C200 47 183

Built
1959
66 years old
Condition
Fair
inspected July 2024
Type
Truss - Deck
Steel
Length
285 ft
1 main span
Daily traffic
1,596
2020 count
Owner
County
County Highway Agency

About this bridge

Brockway Rd. over Lookingglass Creek is a steel truss - deck carrying Brockway Rd. over Lookingglass Creek in Douglas County, Oregon. It was built in 1959, so it is 66 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. Its operating status is: posted for load restriction.

It carries about 1,596 vehicles a day, roughly 7% of them trucks, projected to reach 1,806 by 2025. The structure is 285 ft (86.9 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesBrockway Rd.
CrossesLookingglass Creek
Location0.5 MI N of Brockway Stor
RouteCounty Highway 0A393
CountyDouglas County
StateOregon
Coordinates43.11746, -123.4407
Functional classUrban 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating13.2 US tons
Inventory rating10.4 US tons

Structure

Structure typeTruss - Deck
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadH 20
Structure length285 ft (86.9 m)
Longest span80 ft (24.4 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,596 (2020)
Projected traffic1,806 by 2025
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Brockway Rd. over Lookingglass Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Brockway Rd. over Lookingglass 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 July 2024.

How much traffic does Brockway Rd. over Lookingglass Creek carry?

About 1,596 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Brockway Rd. over Lookingglass Creek?

The structure is 285 ft (86.9 m) long with a longest span of 80 ft (24.4 m) and a deck 24 ft wide.

Who owns Brockway Rd. over Lookingglass Creek?

It is owned by the County Highway Agency.