US Bridges

Holcomb Blvd Co. over HWY 160

Fair

Clackamas County, Oregon · 1 M S I-205 & Park Place · Structure no. 16523 160 00063

Built
1983
42 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
170 ft
1 main span
Daily traffic
36,428
2020 count
Owner
State
State Highway Agency

About this bridge

Holcomb Blvd Co. over HWY 160 is a prestressed concrete box beam or girders - multiple carrying Holcomb Blvd Co. over HWY 160 in Clackamas County, Oregon. It was built in 1983, so it is 42 years old, younger 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 6 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 36,428 vehicles a day, roughly 5% of them trucks, projected to reach 51,300 by 2040. The structure is 170 ft (51.8 m) long and 49 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesHolcomb Blvd Co.
CrossesHWY 160
Location1 M S I-205 & Park Place
RouteCounty Highway 0
StateOregon
Coordinates45.3641, -122.5842
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length170 ft (51.8 m)
Longest span170 ft (51.8 m)
Deck width49 ft (15 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,428 (2020)
Projected traffic51,300 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed21.1 mi (34 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Holcomb Blvd Co. over HWY 160 built?

It was built in 1983, making it 42 years old in 2025.

What condition is Holcomb Blvd Co. over HWY 160 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 June 2023.

How much traffic does Holcomb Blvd Co. over HWY 160 carry?

About 36,428 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Holcomb Blvd Co. over HWY 160?

The structure is 170 ft (51.8 m) long with a longest span of 170 ft (51.8 m) and a deck 49 ft wide.

Who owns Holcomb Blvd Co. over HWY 160?

It is owned by the State Highway Agency.