US Bridges

Road over Crescent CR

Good

Linn County, Oregon · No Data Entered · Structure no. 061803000001474

Built
1979
46 years old
Condition
Good
inspected October 2021
Type
Slab
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
5
Owner
Federal
U.S. Forest Service

About this bridge

Road over Crescent CR is a prestressed concrete slab carrying Road over Crescent CR in Linn County, Oregon. It was built in 1979, so it is 46 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5 vehicles a day, projected to reach 7 by 2045. The structure is 41 ft (12.5 m) long and 20 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesRoad
CrossesCrescent CR
LocationNo Data Entered
RouteFederal Lands Road 20675
StateOregon
Coordinates44.44442, -122.04164
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating80 US tons
Inventory rating61.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span40 ft (12.1 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (—)
Projected traffic7 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 Road over Crescent CR built?

It was built in 1979, making it 46 years old in 2025.

What condition is Road over Crescent CR 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 October 2021.

How much traffic does Road over Crescent CR carry?

About 5 vehicles per day (latest count).

How long is Road over Crescent CR?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.1 m) and a deck 20 ft wide.

Who owns Road over Crescent CR?

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