US Bridges

Big Creek Road over Big Creek

Good

Union County, Oregon · No Data Entered · Structure no. 061606000001077

Built
1963
62 years old
Condition
Good
inspected July 2022
Type
Slab
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
70
2001 count
Owner
Federal
U.S. Forest Service

About this bridge

Big Creek Road over Big Creek is a prestressed concrete slab carrying Big Creek Road over Big Creek in Union County, Oregon. It was built in 1963, so it is 62 years old, older 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 70 vehicles a day, projected to reach 105 by 2045. The structure is 30 ft (9.1 m) long and 29 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesBig Creek Road
CrossesBig Creek
LocationNo Data Entered
RouteFederal Lands Road 67000
StateOregon
Coordinates45.02399, -117.5495
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 inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating62.1 US tons
Inventory rating46.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadOther
Structure length30 ft (9.1 m)
Longest span28 ft (8.4 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2001)
Projected traffic105 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-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 Big Creek Road over Big Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is Big Creek Road over Big Creek 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 July 2022.

How much traffic does Big Creek Road over Big Creek carry?

About 70 vehicles per day (2001 count).

How long is Big Creek Road over Big Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.4 m) and a deck 29 ft wide.

Who owns Big Creek Road over Big Creek?

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