US Bridges

Coleman RD over Trout Creek

Fair

Jefferson County, Oregon · 4.1 MI NE of Gateway · Structure no. 31C52 B37 00000

Built
1990
35 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
88 ft
1 main span
Daily traffic
45
2020 count
Owner
County
County Highway Agency

About this bridge

Coleman RD over Trout Creek is a prestressed concrete box beam or girders - multiple carrying Coleman RD over Trout Creek in Jefferson County, Oregon. It was built in 1990, so it is 35 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 45 vehicles a day, projected to reach 55 by 2025. The structure is 88 ft (26.8 m) long and 16 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

Location

Open in Google Maps
CarriesColeman RD
CrossesTrout Creek
Location4.1 MI NE of Gateway
RouteCounty Highway 0
CountyJefferson County
StateOregon
Coordinates44.80121, -121.06588
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
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 alignment6: Equal to present minimum criteria
Operating rating98 US tons
Inventory rating64 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length88 ft (26.8 m)
Longest span87 ft (26.5 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2020)
Projected traffic55 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 statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$451,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Coleman RD over Trout Creek built?

It was built in 1990, making it 35 years old in 2025.

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 45 vehicles per day (2020 count).

How long is Coleman RD over Trout Creek?

The structure is 88 ft (26.8 m) long with a longest span of 87 ft (26.5 m) and a deck 16 ft wide.

Who owns Coleman RD over Trout Creek?

It is owned by the County Highway Agency.