US Bridges

County RD 76 over Williams Creek

Fair

Douglas County, Oregon · 3.0 MI W of Oakland · Structure no. 19C115007600064

Built
1962
63 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
91 ft
3 main spans
Daily traffic
787
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 76 over Williams Creek is a steel stringer/multi-beam or girder carrying County RD 76 over Williams Creek in Douglas County, Oregon. It was built in 1962, so it is 63 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 787 vehicles a day, roughly 5% of them trucks, projected to reach 892 by 2025. The structure is 91 ft (27.7 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesCounty RD 76
CrossesWilliams Creek
Location3.0 MI W of Oakland
RouteCounty Highway C0076
CountyDouglas County
StateOregon
Coordinates43.41255, -123.35805
Functional classRural Minor 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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.3 US tons
Inventory rating38.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length91 ft (27.7 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic787 (2020)
Projected traffic892 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 76 over Williams Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is County RD 76 over Williams 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 April 2023.

How much traffic does County RD 76 over Williams Creek carry?

About 787 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is County RD 76 over Williams Creek?

The structure is 91 ft (27.7 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns County RD 76 over Williams Creek?

It is owned by the County Highway Agency.