US Bridges

Dutton Road over Clark Creek

Fair

Union County, Oregon · 0.05 MI W Clark Creek RD · Structure no. 16830 055 00300

Built
1987
38 years old
Condition
Fair
inspected September 2023
Type
Slab
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
39
2020 count
Owner
County
County Highway Agency

About this bridge

Dutton Road over Clark Creek is a prestressed concrete slab carrying Dutton Road over Clark Creek in Union County, Oregon. It was built in 1987, so it is 38 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 39 vehicles a day, roughly 5% of them trucks, projected to reach 44 by 2025. The structure is 58 ft (17.7 m) long and 28 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesDutton Road
CrossesClark Creek
Location0.05 MI W Clark Creek RD
RouteCounty Highway 0
StateOregon
Coordinates45.53396, -117.86477
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70.8 US tons
Inventory rating54.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length58 ft (17.7 m)
Longest span57 ft (17.4 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39 (2020)
Projected traffic44 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 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 Dutton Road over Clark Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Dutton Road over Clark 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 Dutton Road over Clark Creek carry?

About 39 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Dutton Road over Clark Creek?

The structure is 58 ft (17.7 m) long with a longest span of 57 ft (17.4 m) and a deck 28 ft wide.

Who owns Dutton Road over Clark Creek?

It is owned by the County Highway Agency.