US Bridges

US 97 (hwy 004) over Gilchrist Timber Rd.

Fair

Klamath County, Oregon · 120 MI N William HWY Jct. · Structure no. 19964 004 18316

Built
2005
20 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
91 ft
1 main span
Daily traffic
5,704
2022 count
Owner
State
State Highway Agency

About this bridge

US 97 (hwy 004) over Gilchrist Timber Rd. is a prestressed concrete stringer/multi-beam or girder carrying US 97 (hwy 004) over Gilchrist Timber Rd. in Klamath County, Oregon. It was built in 2005, so it is 20 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 5,704 vehicles a day, roughly 15% of them trucks, projected to reach 6,000 by 2042. The structure is 91 ft (27.7 m) long and 47 ft wide.

CarriesUS 97 (hwy 004)
CrossesGilchrist Timber Rd.
Location120 MI N William HWY Jct.
RouteU.S. Route 97
StateOregon
Coordinates43.49135, -121.67823
Functional classRural Principal Arterial - Other

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating54.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length91 ft (27.7 m)
Longest span91 ft (27.7 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,704 (2022)
Projected traffic6,000 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 97 (hwy 004) over Gilchrist Timber Rd. built?

It was built in 2005, making it 20 years old in 2025.

What condition is US 97 (hwy 004) over Gilchrist Timber Rd. 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 2023.

How much traffic does US 97 (hwy 004) over Gilchrist Timber Rd. carry?

About 5,704 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is US 97 (hwy 004) over Gilchrist Timber Rd.?

The structure is 91 ft (27.7 m) long with a longest span of 91 ft (27.7 m) and a deck 47 ft wide.

Who owns US 97 (hwy 004) over Gilchrist Timber Rd.?

It is owned by the State Highway Agency.