US Bridges

Miller Lane over Catherine Creek

Fair

Union County, Oregon · 3.1 MI W of HWY 203 · Structure no. 20589 109 00314

Built
2007
18 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
73
2020 count
Owner
County
County Highway Agency

About this bridge

Miller Lane over Catherine Creek is a prestressed concrete tee beam carrying Miller Lane over Catherine Creek in Union County, Oregon. It was built in 2007, so it is 18 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 73 vehicles a day, roughly 10% of them trucks, projected to reach 84 by 2025. The structure is 90 ft (27.4 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMiller Lane
CrossesCatherine Creek
Location3.1 MI W of HWY 203
RouteCounty Highway 0
CountyUnion County
StateOregon
Coordinates45.22399, -117.91795
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span87 ft (26.5 m)
Deck width31 ft (9.6 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2020)
Projected traffic84 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Miller Lane over Catherine Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Miller Lane over Catherine Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Miller Lane over Catherine Creek carry?

About 73 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Miller Lane over Catherine Creek?

The structure is 90 ft (27.4 m) long with a longest span of 87 ft (26.5 m) and a deck 31 ft wide.

Who owns Miller Lane over Catherine Creek?

It is owned by the County Highway Agency.