US Bridges

Redland Road over Clear Creek

Fair

Clackamas County, Oregon · 5.8 M SE of Redland · Structure no. 06508 018 01183

Built
1957
68 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete Continuous
Length
148 ft
3 main spans
Daily traffic
17,600
2018 count
Owner
County
County Highway Agency

About this bridge

Redland Road over Clear Creek is a concrete continuous tee beam carrying Redland Road over Clear Creek in Clackamas 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 17,600 vehicles a day, roughly 11% of them trucks, projected to reach 17,700 by 2038. The structure is 148 ft (45.1 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRedland Road
CrossesClear Creek
Location5.8 M SE of Redland
RouteCounty Highway 0A628
StateOregon
Coordinates45.29847, -122.40915
Functional classRural Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.9 US tons
Inventory rating18.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length148 ft (45.1 m)
Longest span55 ft (16.8 m)
Deck width31 ft (9.3 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,600 (2018)
Projected traffic17,700 by 2038
Trucks11%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Redland Road over Clear Creek built?

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

What condition is Redland Road over Clear 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 July 2024.

How much traffic does Redland Road over Clear Creek carry?

About 17,600 vehicles per day (2018 count), of which roughly 11% are trucks.

How long is Redland Road over Clear Creek?

The structure is 148 ft (45.1 m) long with a longest span of 55 ft (16.8 m) and a deck 31 ft wide.

Who owns Redland Road over Clear Creek?

It is owned by the County Highway Agency.