US Bridges

Royce Mt Way over Cresent Cr.

Fair

Klamath County, Oregon · 023 MI S HWY 18 JCT · Structure no. 20727 000 00000

Built
1980
45 years old
Condition
Fair
inspected July 2023
Type
Slab
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
73
2020 count
Owner
Local
Other Local Agency

About this bridge

Royce Mt Way over Cresent Cr. is a prestressed concrete slab carrying Royce Mt Way over Cresent Cr. in Klamath County, Oregon. It was built in 1980, so it is 45 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 5 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 2% of them trucks, projected to reach 83 by 2025. The structure is 35 ft (10.7 m) long and 16 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRoyce Mt Way
CrossesCresent Cr.
Location023 MI S HWY 18 JCT
RouteCounty Highway 0
CountyKlamath County
StateOregon
Coordinates43.50871, -121.93799
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span35 ft (10.7 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
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$179,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Royce Mt Way over Cresent Cr. built?

It was built in 1980, making it 45 years old in 2025.

What condition is Royce Mt Way over Cresent Cr. 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 Royce Mt Way over Cresent Cr. carry?

About 73 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Royce Mt Way over Cresent Cr.?

The structure is 35 ft (10.7 m) long with a longest span of 35 ft (10.7 m) and a deck 16 ft wide.

Who owns Royce Mt Way over Cresent Cr.?

It is owned by the Other Local Agency.