US Bridges

Succor C-816TIFFEN over Succor CR

Fair

Malheur County, Oregon · 065 W US HWY 95 · Structure no. 15760A081600155

Built
1988
37 years old
Condition
Fair
inspected September 2023
Type
Slab
Prestressed Concrete
Length
71 ft
1 main span
Daily traffic
55
2020 count
Owner
County
County Highway Agency

About this bridge

Succor C-816TIFFEN over Succor CR is a prestressed concrete slab carrying Succor C-816TIFFEN over Succor CR in Malheur County, Oregon. It was built in 1988, so it is 37 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 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 55 vehicles a day, roughly 10% of them trucks, projected to reach 65 by 2025. The structure is 71 ft (21.6 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSuccor C-816TIFFEN
CrossesSuccor CR
Location065 W US HWY 95
RouteCounty Highway C0816
StateOregon
Coordinates43.3304, -117.084
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating47.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length71 ft (21.6 m)
Longest span68 ft (20.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2020)
Projected traffic65 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Succor C-816TIFFEN over Succor CR built?

It was built in 1988, making it 37 years old in 2025.

What condition is Succor C-816TIFFEN over Succor 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 September 2023.

How much traffic does Succor C-816TIFFEN over Succor CR carry?

About 55 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Succor C-816TIFFEN over Succor CR?

The structure is 71 ft (21.6 m) long with a longest span of 68 ft (20.7 m) and a deck 24 ft wide.

Who owns Succor C-816TIFFEN over Succor CR?

It is owned by the County Highway Agency.