US Bridges

Forest RD 43 over Emigrant Creek

Fair

Harney County, Oregon · 1.6 MI W of 43 & 47 JCT · Structure no. 060704000001004

Built
1955
70 years old, rebuilt 1995
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
61 ft
1 main span
Daily traffic
35
1995 count
Owner
Federal
U.S. Forest Service

About this bridge

Forest RD 43 over Emigrant Creek is a wood or timber stringer/multi-beam or girder carrying Forest RD 43 over Emigrant Creek in Harney County, Oregon. It was built in 1955 and reconstructed in 1995, so it is 70 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 5 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 35 vehicles a day, projected to reach 52 by 2045. The structure is 61 ft (18.6 m) long and 28 ft wide.

Location

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CarriesForest RD 43
CrossesEmigrant Creek
Location1.6 MI W of 43 & 47 JCT
RouteFederal Lands Road 43000
CountyHarney County
StateOregon
Coordinates43.79805, -119.34187
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1 (+2 approach)
Design loadOther
Structure length61 ft (18.6 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (1995)
Projected traffic52 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Forest RD 43 over Emigrant Creek built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1995.

What condition is Forest RD 43 over Emigrant 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 September 2023.

How much traffic does Forest RD 43 over Emigrant Creek carry?

About 35 vehicles per day (1995 count).

How long is Forest RD 43 over Emigrant Creek?

The structure is 61 ft (18.6 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns Forest RD 43 over Emigrant Creek?

It is owned by the U.S. Forest Service.