US Bridges

S. Sevenmile RD over Sevenmile Creek

Good

Klamath County, Oregon · (orig.# 323 - 3.3) · Structure no. 060213000024375

Built
2018
7 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
14
Owner
Federal
U.S. Forest Service

About this bridge

S. Sevenmile RD over Sevenmile Creek is a prestressed concrete stringer/multi-beam or girder carrying S. Sevenmile RD over Sevenmile Creek in Klamath County, Oregon. It was built in 2018, so it is 7 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 14 vehicles a day, projected to reach 21 by 2045. The structure is 74 ft (22.6 m) long and 20 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesS. Sevenmile RD
CrossesSevenmile Creek
Location(orig.# 323 - 3.3)
RouteFederal Lands Road 31000
StateOregon
Coordinates42.70485, -112.07466
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating50.7 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length74 ft (22.6 m)
Longest span72 ft (21.9 m)
Deck width20 ft (6.2 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14 (—)
Projected traffic21 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 km)
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 S. Sevenmile RD over Sevenmile Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is S. Sevenmile RD over Sevenmile 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 August 2024.

How much traffic does S. Sevenmile RD over Sevenmile Creek carry?

About 14 vehicles per day (latest count).

How long is S. Sevenmile RD over Sevenmile Creek?

The structure is 74 ft (22.6 m) long with a longest span of 72 ft (21.9 m) and a deck 20 ft wide.

Who owns S. Sevenmile RD over Sevenmile Creek?

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