US Bridges

Center Street over Mill Creek

Good

Marion County, Oregon · East of 14th ST · Structure no. 20340 000 00000

Built
2006
19 years old
Condition
Good
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
19,501
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Center Street over Mill Creek is a prestressed concrete tee beam carrying Center Street over Mill Creek in Marion County, Oregon. It was built in 2006, so it is 19 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 19,501 vehicles a day, roughly 3% of them trucks, projected to reach 20,251 by 2025. The structure is 73 ft (22.3 m) long and 67 ft wide.

CarriesCenter Street
CrossesMill Creek
LocationEast of 14th ST
RouteCity Street C0000
StateOregon
Coordinates44.93954, -123.02235
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating12.1 US tons
Inventory rating9.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length73 ft (22.3 m)
Longest span70 ft (21.3 m)
Deck width67 ft (20.5 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,501 (2020)
Projected traffic20,251 by 2025
Trucks3%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Center Street over Mill Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is Center Street over Mill 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 August 2023.

How much traffic does Center Street over Mill Creek carry?

About 19,501 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Center Street over Mill Creek?

The structure is 73 ft (22.3 m) long with a longest span of 70 ft (21.3 m) and a deck 67 ft wide.

Who owns Center Street over Mill Creek?

It is owned by the City or Municipal Highway Agency.