US Bridges

B470 Fielddenio RD over Denio Creek

GoodPosted for load

Harney County, Oregon · 846 MI Ore 78 Steens HWY · Structure no. 25D06 C201 8459

Built
1988
37 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
24 ft
1 main span
Daily traffic
235
2020 count
Owner
County
County Highway Agency

About this bridge

B470 Fielddenio RD over Denio Creek is a wood or timber stringer/multi-beam or girder carrying B470 Fielddenio RD over Denio Creek in Harney County, Oregon. It was built in 1988, so it is 37 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 235 vehicles a day, roughly 20% of them trucks, projected to reach 275 by 2025. The structure is 24 ft (7.3 m) long and 30 ft wide.

CarriesB470 Fielddenio RD
CrossesDenio Creek
Location846 MI Ore 78 Steens HWY
RouteCounty Highway 0B470
StateOregon
Coordinates42.00091, -118.63457
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.4 US tons
Inventory rating15.8 US tons

Structure

MaterialWood or Timber
DeckCorrugated steel
Main spans1
Design loadH 15
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic235 (2020)
Projected traffic275 by 2025
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 B470 Fielddenio RD over Denio Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is B470 Fielddenio RD over Denio Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does B470 Fielddenio RD over Denio Creek carry?

About 235 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is B470 Fielddenio RD over Denio Creek?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 30 ft wide.

Who owns B470 Fielddenio RD over Denio Creek?

It is owned by the County Highway Agency.