US Bridges

Road over Obrien Creek

Good

Josephine County, Oregon · No Data Entered · Structure no. 061001000001001

Built
1975
50 years old, rebuilt 2000
Condition
Good
inspected May 2021
Type
Box Beam or Girders - Multiple
Concrete
Length
85 ft
1 main span
Daily traffic
5
2006 count
Owner
Federal
U.S. Forest Service

About this bridge

Road over Obrien Creek is a concrete box beam or girders - multiple carrying Road over Obrien Creek in Josephine County, Oregon. It was built in 1975 and reconstructed in 2000, so it is 50 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 5 vehicles a day, projected to reach 7 by 2045. The structure is 85 ft (26 m) long and 21 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRoad
CrossesObrien Creek
LocationNo Data Entered
RouteFederal Lands Road 10200
StateOregon
Coordinates42.10056, -123.23972
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2021
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating56 US tons
Inventory rating39 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length85 ft (26 m)
Longest span83 ft (25.4 m)
Deck width21 ft (6.4 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2006)
Projected traffic7 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Obrien Creek built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2000.

What condition is Road over Obrien 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 May 2021.

How much traffic does Road over Obrien Creek carry?

About 5 vehicles per day (2006 count).

How long is Road over Obrien Creek?

The structure is 85 ft (26 m) long with a longest span of 83 ft (25.4 m) and a deck 21 ft wide.

Who owns Road over Obrien Creek?

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