US Bridges

SW Myslony St. over Hedges Creek

Good

Washington County, Oregon · SW Myslony St. MP 0.46 · Structure no. 22730 000 00046

Built
2018
7 years old
Condition
Good
inspected July 2023
Type
Slab
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
218
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

SW Myslony St. over Hedges Creek is a prestressed concrete slab carrying SW Myslony St. over Hedges Creek in Washington County, Oregon. It was built in 2018, so it is 7 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 218 vehicles a day, roughly 5% of them trucks, projected to reach 243 by 2025. The structure is 68 ft (20.7 m) long and 65 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSW Myslony St.
CrossesHedges Creek
LocationSW Myslony St. MP 0.46
RouteCity Street C0000
StateOregon
Coordinates45.37681, -122.79553
Functional classUrban Local

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.9 US tons
Inventory rating76.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length68 ft (20.7 m)
Longest span68 ft (20.7 m)
Deck width65 ft (19.7 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic218 (2020)
Projected traffic243 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 SW Myslony St. over Hedges Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is SW Myslony St. over Hedges 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 2023.

How much traffic does SW Myslony St. over Hedges Creek carry?

About 218 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is SW Myslony St. over Hedges Creek?

The structure is 68 ft (20.7 m) long with a longest span of 68 ft (20.7 m) and a deck 65 ft wide.

Who owns SW Myslony St. over Hedges Creek?

It is owned by the City or Municipal Highway Agency.