US Bridges

Norton Creek RD over Norton Creek

Fair

Benton County, Oregon · 0112 MI N of HWY 20 · Structure no. 14558 000

Built
1958
67 years old
Condition
Fair
inspected July 2024
Type
Slab
Wood or Timber
Length
26 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 wood or timber slab carrying Norton Creek RD over Norton Creek in Benton County, Oregon. It was built in 1958, so it is 67 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 123 vehicles a day, roughly 10% of them trucks, projected to reach 164 by 2040. The structure is 26 ft (7.9 m) long and 24 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesNorton Creek RD
CrossesNorton Creek
Location0112 MI N of HWY 20
RouteCounty Highway 0
StateOregon
Coordinates44.61466, -123.50956
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27.9 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (7 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 1958, making it 67 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 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 24 ft wide.

Who owns Norton Creek RD over Norton Creek?

It is owned by the County Highway Agency.