US Bridges

Road over Merritt Creek

Fair

Klamath County, Oregon · No Data Entered · Structure no. 060201000001005

Built
1966
59 years old
Condition
Fair
inspected September 2024
Type
Slab
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
18
Owner
Federal
U.S. Forest Service

About this bridge

Road over Merritt Creek is a prestressed concrete slab carrying Road over Merritt Creek in Klamath County, Oregon. It was built in 1966, so it is 59 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.

It carries about 18 vehicles a day, projected to reach 27 by 2045. The structure is 30 ft (9.2 m) long and 29 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesRoad
CrossesMerritt Creek
LocationNo Data Entered
RouteFederal Lands Road 27000
StateOregon
Coordinates42.67814, -121.15142
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadOther
Structure length30 ft (9.2 m)
Longest span28 ft (8.5 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18 (—)
Projected traffic27 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 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 Merritt Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Road over Merritt 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 September 2024.

How much traffic does Road over Merritt Creek carry?

About 18 vehicles per day (latest count).

How long is Road over Merritt Creek?

The structure is 30 ft (9.2 m) long with a longest span of 28 ft (8.5 m) and a deck 29 ft wide.

Who owns Road over Merritt Creek?

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