US Bridges

Hemlock Cr. Rd. over Hemlock Creek

Fair

Klamath County, Oregon · 1.5 MI N of or 58 · Structure no. 20935 000 00000

Built
2008
17 years old
Condition
Fair
inspected July 2024
Type
Girder and Floorbeam System
Steel
Length
61 ft
1 main span
Daily traffic
73
2020 count
Owner
Local
Other Local Agency

About this bridge

Hemlock Cr. Rd. over Hemlock Creek is a steel girder and floorbeam system carrying Hemlock Cr. Rd. over Hemlock Creek in Klamath County, Oregon. It was built in 2008, so it is 17 years old, younger 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 73 vehicles a day, roughly 10% of them trucks, projected to reach 83 by 2025. The structure is 61 ft (18.5 m) long and 16 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesHemlock Cr. Rd.
CrossesHemlock Creek
Location1.5 MI N of or 58
RouteCounty Highway 0
StateOregon
Coordinates43.35861, -121.83583
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating35.4 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length61 ft (18.5 m)
Longest span61 ft (18.5 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2020)
Projected traffic83 by 2025
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local 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 Hemlock Cr. Rd. over Hemlock Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Hemlock Cr. Rd. over Hemlock 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 Hemlock Cr. Rd. over Hemlock Creek carry?

About 73 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Hemlock Cr. Rd. over Hemlock Creek?

The structure is 61 ft (18.5 m) long with a longest span of 61 ft (18.5 m) and a deck 16 ft wide.

Who owns Hemlock Cr. Rd. over Hemlock Creek?

It is owned by the Other Local Agency.