US Bridges

Road over Jack Creek

Poor

Klamath County, Oregon · (orig.# 2653 - 9.6) · Structure no. 062001000001000

Built
1959
66 years old, rebuilt 1992
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
29 ft
1 main span
Daily traffic
6
Owner
Federal
U.S. Forest Service

About this bridge

Road over Jack Creek is a wood or timber stringer/multi-beam or girder carrying Road over Jack Creek in Klamath County, Oregon. It was built in 1959 and reconstructed in 1992, so it is 66 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 6 vehicles a day, projected to reach 9 by 2045. The structure is 29 ft (8.7 m) long and 16 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesRoad
CrossesJack Creek
Location(orig.# 2653 - 9.6)
RouteFederal Lands Road 88000
StateOregon
Coordinates43.18392, -121.5495
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56 US tons
Inventory rating40 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadOther
Structure length29 ft (8.7 m)
Longest span27 ft (8.2 m)
Deck width16 ft (4.8 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6 (—)
Projected traffic9 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Road over Jack Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1992.

What condition is Road over Jack Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does Road over Jack Creek carry?

About 6 vehicles per day (latest count).

How long is Road over Jack Creek?

The structure is 29 ft (8.7 m) long with a longest span of 27 ft (8.2 m) and a deck 16 ft wide.

Who owns Road over Jack Creek?

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