US Bridges

Coleman RD over Trout Creek

FairPosted for load

Jefferson County, Oregon · 5.5 MI NE of Gateway · Structure no. 31C53 739

Built
1965
60 years old, rebuilt 1984
Condition
Fair
inspected November 2024
Type
Truss - Thru
Steel
Length
82 ft
1 main span
Daily traffic
62
2020 count
Owner
County
County Highway Agency

About this bridge

Coleman RD over Trout Creek is a steel truss - thru carrying Coleman RD over Trout Creek in Jefferson County, Oregon. It was built in 1965 and reconstructed in 1984, so it is 60 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 62 vehicles a day, projected to reach 72 by 2025. The structure is 82 ft (25 m) long and 15 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

Location

Open in Google Maps
CarriesColeman RD
CrossesTrout Creek
Location5.5 MI NE of Gateway
RouteCounty Highway 0
CountyJefferson County
StateOregon
Coordinates44.81021, -121.06982
Functional classRural Minor Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating8.3 US tons
Inventory rating6.1 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckAluminum
Main spans1
Design loadH 20
Structure length82 ft (25 m)
Longest span80 ft (24.4 m)
Deck width15 ft (4.6 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62 (2020)
Projected traffic72 by 2025
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 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 Coleman RD over Trout Creek built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1984.

What condition is Coleman RD over Trout 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 November 2024.

How much traffic does Coleman RD over Trout Creek carry?

About 62 vehicles per day (2020 count).

How long is Coleman RD over Trout Creek?

The structure is 82 ft (25 m) long with a longest span of 80 ft (24.4 m) and a deck 15 ft wide.

Who owns Coleman RD over Trout Creek?

It is owned by the County Highway Agency.