US Bridges

Kinsman Rd. over Coffee Lake Creek

Good

Clackamas County, Oregon · 0.53 W Boones Ferry Rd. · Structure no. 24326 000 00000

Built
2023
2 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
131
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Kinsman Rd. over Coffee Lake Creek is a prestressed concrete box beam or girders - single or spread carrying Kinsman Rd. over Coffee Lake Creek in Clackamas County, Oregon. It was built in 2023, so it is 2 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 131 vehicles a day, roughly 1% of them trucks, projected to reach 145 by 2025. The structure is 50 ft (15.1 m) long and 63 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesKinsman Rd.
CrossesCoffee Lake Creek
Location0.53 W Boones Ferry Rd.
RouteCity Street 0
StateOregon
Coordinates45.30166, -122.77881
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating60.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length50 ft (15.1 m)
Longest span48 ft (14.5 m)
Deck width63 ft (19.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic131 (2020)
Projected traffic145 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 Kinsman Rd. over Coffee Lake Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Kinsman Rd. over Coffee Lake 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 January 2024.

How much traffic does Kinsman Rd. over Coffee Lake Creek carry?

About 131 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Kinsman Rd. over Coffee Lake Creek?

The structure is 50 ft (15.1 m) long with a longest span of 48 ft (14.5 m) and a deck 63 ft wide.

Who owns Kinsman Rd. over Coffee Lake Creek?

It is owned by the City or Municipal Highway Agency.