US Bridges

Slate Creek Road over Bear Creek

PoorPosted for load

Josephine County, Oregon · T37S-R7W-S5 Josephine CO · Structure no. 369025369000152

Built
1975
50 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
29 ft
1 main span
Daily traffic
31
2020 count
Owner
County
County Highway Agency

About this bridge

Slate Creek Road over Bear Creek is a wood or timber stringer/multi-beam or girder carrying Slate Creek Road over Bear Creek in Josephine County, Oregon. It was built in 1975, so it is 50 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 31 vehicles a day, roughly 9% of them trucks, projected to reach 34 by 2025. The structure is 29 ft (8.8 m) long and 23 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSlate Creek Road
CrossesBear Creek
LocationT37S-R7W-S5 Josephine CO
RouteCounty Highway C3690
StateOregon
Coordinates42.35869, -123.58095
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.7 US tons
Inventory rating16.1 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 15
Structure length29 ft (8.8 m)
Longest span25 ft (7.6 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31 (2020)
Projected traffic34 by 2025
Trucks9%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$149,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Slate Creek Road over Bear Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Slate Creek Road over Bear Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Slate Creek Road over Bear Creek carry?

About 31 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is Slate Creek Road over Bear Creek?

The structure is 29 ft (8.8 m) long with a longest span of 25 ft (7.6 m) and a deck 23 ft wide.

Who owns Slate Creek Road over Bear Creek?

It is owned by the County Highway Agency.