US Bridges

Larch Creek Rd. over Deer Creek

FairPosted for load

Baker County, Oregon · 0.9 MI N JCT Ore 220 · Structure no. 01C212654C00187

Built
1975
50 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
37
2020 count
Owner
County
County Highway Agency

About this bridge

Larch Creek Rd. over Deer Creek is a steel stringer/multi-beam or girder carrying Larch Creek Rd. over Deer Creek in Baker County, Oregon. It was built in 1975, so it is 50 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. Its operating status is: posted for load restriction.

It carries about 37 vehicles a day, roughly 5% of them trucks, projected to reach 43 by 2025. The structure is 28 ft (8.5 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesLarch Creek Rd.
CrossesDeer Creek
Location0.9 MI N JCT Ore 220
RouteCounty Highway C0654
CountyBaker County
StateOregon
Coordinates44.7228, -118.0927
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
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 rating8.3 US tons
Inventory rating6.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span27 ft (8.2 m)
Deck width22 ft (6.6 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37 (2020)
Projected traffic43 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$187,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Larch Creek Rd. over Deer Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Larch Creek Rd. over Deer 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 June 2024.

How much traffic does Larch Creek Rd. over Deer Creek carry?

About 37 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Larch Creek Rd. over Deer Creek?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 22 ft wide.

Who owns Larch Creek Rd. over Deer Creek?

It is owned by the County Highway Agency.