US Bridges

Trout Creek Rd. over Trout Creek

Fair

Benton County, Oregon · 0.42 MI S S. Mt Road · Structure no. 22390 000 00148

Built
2014
11 years old
Condition
Fair
inspected July 2024
Type
Culvert
Steel
Length
25 ft
1 main span
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

Trout Creek Rd. over Trout Creek is a steel culvert carrying Trout Creek Rd. over Trout Creek in Benton County, Oregon. It was built in 2014, so it is 11 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 40 vehicles a day, roughly 9% of them trucks, projected to reach 70 by 2040. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTrout Creek Rd.
CrossesTrout Creek
Location0.42 MI S S. Mt Road
RouteCounty Highway C0000
StateOregon
Coordinates44.354, -123.529
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.9 US tons
Inventory rating76.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHL 93
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2020)
Projected traffic70 by 2040
Trucks9%
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 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 Trout Creek Rd. over Trout Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is Trout Creek 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 July 2024.

How much traffic does Trout Creek Rd. over Trout Creek carry?

About 40 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is Trout Creek Rd. over Trout Creek?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m).

Who owns Trout Creek Rd. over Trout Creek?

It is owned by the County Highway Agency.