US Bridges

Industrial Drive over Roberts Creek

Good

Douglas County, Oregon · T28S-R6W-S11 · Structure no. 19C524395-00.07

Built
1993
32 years old
Condition
Good
inspected July 2023
Type
Slab
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
301
2020 count
Owner
County
County Highway Agency

About this bridge

Industrial Drive over Roberts Creek is a prestressed concrete slab carrying Industrial Drive over Roberts Creek in Douglas County, Oregon. It was built in 1993, so it is 32 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 301 vehicles a day, roughly 10% of them trucks, projected to reach 340 by 2025. The structure is 67 ft (20.4 m) long and 48 ft wide.

CarriesIndustrial Drive
CrossesRoberts Creek
LocationT28S-R6W-S11
RouteCounty Highway 395
StateOregon
Coordinates43.14856, -123.37973
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.8 US tons
Inventory rating63.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length67 ft (20.4 m)
Longest span64 ft (19.5 m)
Deck width48 ft (14.6 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic301 (2020)
Projected traffic340 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Industrial Drive over Roberts Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is Industrial Drive over Roberts 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 2023.

How much traffic does Industrial Drive over Roberts Creek carry?

About 301 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Industrial Drive over Roberts Creek?

The structure is 67 ft (20.4 m) long with a longest span of 64 ft (19.5 m) and a deck 48 ft wide.

Who owns Industrial Drive over Roberts Creek?

It is owned by the County Highway Agency.