US Bridges

HWY 72 WB Off Ramp over 13th & Shelton Ditch

Good

Marion County, Oregon · City of Salem · Structure no. 16812W072 00645

Built
1988
37 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
674 ft
3 main spans
Daily traffic
17,817
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 72 WB Off Ramp over 13th & Shelton Ditch is a prestressed concrete continuous box beam or girders - multiple carrying HWY 72 WB Off Ramp over 13th & Shelton Ditch in Marion County, Oregon. It was built in 1988, so it is 37 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 17,817 vehicles a day, roughly 3% of them trucks, projected to reach 20,250 by 2042. The structure is 674 ft (205.4 m) long and 29 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesHWY 72 WB Off Ramp
Crosses13th & Shelton Ditch
LocationCity of Salem
RouteState Highway 72
StateOregon
Coordinates44.93054, -123.02852
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating24.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+3 approach)
Design loadHS 25 or greater
Structure length674 ft (205.4 m)
Longest span153 ft (46.6 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,817 (2022)
Projected traffic20,250 by 2042
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed4.3 mi (7 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$3.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY 72 WB Off Ramp over 13th & Shelton Ditch built?

It was built in 1988, making it 37 years old in 2025.

What condition is HWY 72 WB Off Ramp over 13th & Shelton Ditch 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 October 2024.

How much traffic does HWY 72 WB Off Ramp over 13th & Shelton Ditch carry?

About 17,817 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is HWY 72 WB Off Ramp over 13th & Shelton Ditch?

The structure is 674 ft (205.4 m) long with a longest span of 153 ft (46.6 m) and a deck 29 ft wide.

Who owns HWY 72 WB Off Ramp over 13th & Shelton Ditch?

It is owned by the State Highway Agency.