US Bridges

Dahle RD C-1131 over Bully Creek

Good

Malheur County, Oregon · 040 E Inter Harper Wst H · Structure no. 016809113100012

Built
1986
39 years old
Condition
Good
inspected September 2023
Type
Slab
Prestressed Concrete
Length
141 ft
2 main spans
Daily traffic
41
2020 count
Owner
County
County Highway Agency

About this bridge

Dahle RD C-1131 over Bully Creek is a prestressed concrete slab carrying Dahle RD C-1131 over Bully Creek in Malheur County, Oregon. It was built in 1986, so it is 39 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.

It carries about 41 vehicles a day, roughly 20% of them trucks, projected to reach 48 by 2025. The structure is 141 ft (43 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesDahle RD C-1131
CrossesBully Creek
Location040 E Inter Harper Wst H
RouteCounty Highway C1131
StateOregon
Coordinates43.97657, -117.64774
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 25 or greater
Structure length141 ft (43 m)
Longest span70 ft (21.3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41 (2020)
Projected traffic48 by 2025
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Dahle RD C-1131 over Bully Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Dahle RD C-1131 over Bully 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 2023.

How much traffic does Dahle RD C-1131 over Bully Creek carry?

About 41 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is Dahle RD C-1131 over Bully Creek?

The structure is 141 ft (43 m) long with a longest span of 70 ft (21.3 m) and a deck 24 ft wide.

Who owns Dahle RD C-1131 over Bully Creek?

It is owned by the County Highway Agency.