US Bridges

Norton Creek RD over Norton Creek

Fair

Benton County, Oregon · 0124 MI N of HWY 20 · Structure no. 22391 000 00120

Built
2015
10 years old
Condition
Fair
inspected July 2024
Type
Culvert
Steel
Length
23 ft
1 main span
Daily traffic
123
2020 count
Owner
County
County Highway Agency

About this bridge

Norton Creek RD over Norton Creek is a steel culvert carrying Norton Creek RD over Norton Creek in Benton County, Oregon. It was built in 2015, so it is 10 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 123 vehicles a day, roughly 10% of them trucks, projected to reach 164 by 2040. The structure is 23 ft (7.1 m) long and 90 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesNorton Creek RD
CrossesNorton Creek
Location0124 MI N of HWY 20
RouteCounty Highway 0
StateOregon
Coordinates44.61619, -123.50969
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 alignment6: Equal to present minimum criteria
Operating rating67.1 US tons
Inventory rating51.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHL 93
Structure length23 ft (7.1 m)
Longest span23 ft (7.1 m)
Deck width90 ft (27.4 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic123 (2020)
Projected traffic164 by 2040
Trucks10%
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 Norton Creek RD over Norton Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is Norton Creek RD over Norton 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 Norton Creek RD over Norton Creek carry?

About 123 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Norton Creek RD over Norton Creek?

The structure is 23 ft (7.1 m) long with a longest span of 23 ft (7.1 m) and a deck 90 ft wide.

Who owns Norton Creek RD over Norton Creek?

It is owned by the County Highway Agency.