US Bridges

Or 138 (hwy 138) over Williams Creek

Good

Douglas County, Oregon · MP 37.14 HWY 138 · Structure no. 20966 138 03714

Built
2010
15 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
1,149
2022 count
Owner
State
State Highway Agency

About this bridge

Or 138 (hwy 138) over Williams Creek is a prestressed concrete slab carrying Or 138 (hwy 138) over Williams Creek in Douglas County, Oregon. It was built in 2010, so it is 15 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 1,149 vehicles a day, roughly 21% of them trucks, projected to reach 1,200 by 2042. The structure is 78 ft (23.8 m) long and 52 ft wide. If it were closed, the detour would be 80.8 mi (130 km).

CarriesOr 138 (hwy 138)
CrossesWilliams Creek
LocationMP 37.14 HWY 138
RouteU.S. Route 138
StateOregon
Coordinates43.3384, -122.7653
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 protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 rating91.8 US tons
Inventory rating70.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length78 ft (23.8 m)
Longest span78 ft (23.8 m)
Deck width52 ft (15.8 m)
Roadway width49 ft (14.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,149 (2022)
Projected traffic1,200 by 2042
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed80.8 mi (130 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Or 138 (hwy 138) over Williams Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Or 138 (hwy 138) over Williams 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 2024.

How much traffic does Or 138 (hwy 138) over Williams Creek carry?

About 1,149 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is Or 138 (hwy 138) over Williams Creek?

The structure is 78 ft (23.8 m) long with a longest span of 78 ft (23.8 m) and a deck 52 ft wide.

Who owns Or 138 (hwy 138) over Williams Creek?

It is owned by the State Highway Agency.