US Bridges

25 S 11 W 28.00: over Tioga Creek

Fair

Coos County, Oregon · 13.5 Miles NE of Coos Bay · Structure no. 0000000L1439073

Built
1970
55 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
92 ft
3 main spans
Daily traffic
20
2024 count
Owner
Federal
Bureau of Land Management

About this bridge

25 S 11 W 28.00: over Tioga Creek is a concrete continuous stringer/multi-beam or girder carrying 25 S 11 W 28.00: over Tioga Creek in Coos County, Oregon. It was built in 1970, so it is 55 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 35 by 2044. The structure is 92 ft (28 m) long and 16 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Carries25 S 11 W 28.00:
CrossesTioga Creek
Location13.5 Miles NE of Coos Bay
RouteFederal Lands Road 0
StateOregon
Coordinates43.2602, -123.81472
Functional classRural Minor Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating106 US tons
Inventory rating63.6 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length92 ft (28 m)
Longest span60 ft (18.3 m)
Deck width16 ft (5 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic35 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Land Management
Maintained byBureau of Land Management
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost$86,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 25 S 11 W 28.00: over Tioga Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is 25 S 11 W 28.00: over Tioga 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 April 2024.

How much traffic does 25 S 11 W 28.00: over Tioga Creek carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 25 S 11 W 28.00: over Tioga Creek?

The structure is 92 ft (28 m) long with a longest span of 60 ft (18.3 m) and a deck 16 ft wide.

Who owns 25 S 11 W 28.00: over Tioga Creek?

It is owned by the Bureau of Land Management.