US Bridges

HWY 1 Front Rd. Rt over Miller Creek

Fair

Marion County, Oregon · 003 MI N Jefferson JCT · Structure no. 07940 001F24519

Built
1957
68 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
20 ft
2 main spans
Daily traffic
1,205
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 1 Front Rd. Rt over Miller Creek is a concrete continuous culvert carrying HWY 1 Front Rd. Rt over Miller Creek in Marion County, Oregon. It was built in 1957, so it is 68 years old, older 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 1,205 vehicles a day, roughly 15% of them trucks, projected to reach 1,500 by 2030. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesHWY 1 Front Rd. Rt
CrossesMiller Creek
Location003 MI N Jefferson JCT
RouteState Highway 0
StateOregon
Coordinates44.80023, -123.0312
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,205 (2022)
Projected traffic1,500 by 2030
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY 1 Front Rd. Rt over Miller Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is HWY 1 Front Rd. Rt over Miller 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 December 2023.

How much traffic does HWY 1 Front Rd. Rt over Miller Creek carry?

About 1,205 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is HWY 1 Front Rd. Rt over Miller Creek?

The structure is 20 ft (6.1 m) long with a longest span of 10 ft (3 m).

Who owns HWY 1 Front Rd. Rt over Miller Creek?

It is owned by the State Highway Agency.