US Bridges

Mission ST on Ramp over Bike Path

Good

Marion County, Oregon · City of Salem · Structure no. 16814 072C00650

Built
1988
37 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
38 ft
1 main span
Daily traffic
2,473
2022 count
Owner
State
State Highway Agency

About this bridge

Mission ST on Ramp over Bike Path is a concrete slab carrying Mission ST on Ramp over Bike Path 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,473 vehicles a day, roughly 5% of them trucks, projected to reach 2,800 by 2030. The structure is 38 ft (11.6 m) long and 29 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMission ST on Ramp
CrossesBike Path
LocationCity of Salem
RouteCity Street 0
StateOregon
Coordinates44.92949, -123.02887
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating34.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length38 ft (11.6 m)
Longest span38 ft (11.6 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,473 (2022)
Projected traffic2,800 by 2030
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed0.6 mi (1 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mission ST on Ramp over Bike Path built?

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

What condition is Mission ST on Ramp over Bike Path 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 Mission ST on Ramp over Bike Path carry?

About 2,473 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Mission ST on Ramp over Bike Path?

The structure is 38 ft (11.6 m) long with a longest span of 38 ft (11.6 m) and a deck 29 ft wide.

Who owns Mission ST on Ramp over Bike Path?

It is owned by the State Highway Agency.