US Bridges

US 95 (hwy 456) over Succor Creek

Fair

Malheur County, Oregon · 2.2 Mi. SW Idaho St. Line · Structure no. 02118A456 00216

Built
1975
50 years old
Condition
Fair
inspected October 2023
Type
Slab
Prestressed Concrete
Length
148 ft
3 main spans
Daily traffic
2,049
2022 count
Owner
State
State Highway Agency

About this bridge

US 95 (hwy 456) over Succor Creek is a prestressed concrete slab carrying US 95 (hwy 456) over Succor Creek in Malheur County, Oregon. It was built in 1975, 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 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 2,049 vehicles a day, roughly 53% of them trucks, projected to reach 2,500 by 2042. The structure is 148 ft (45 m) long and 36 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesUS 95 (hwy 456)
CrossesSuccor Creek
Location2.2 Mi. SW Idaho St. Line
RouteU.S. Route 95
CountyMalheur County
StateOregon
Coordinates43.2287, -117.0535
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating16.1 US tons
Inventory rating12.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length148 ft (45 m)
Longest span49 ft (14.9 m)
Deck width36 ft (11 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,049 (2022)
Projected traffic2,500 by 2042
Trucks53%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$769,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 95 (hwy 456) over Succor Creek built?

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

What condition is US 95 (hwy 456) over Succor 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 October 2023.

How much traffic does US 95 (hwy 456) over Succor Creek carry?

About 2,049 vehicles per day (2022 count), of which roughly 53% are trucks.

How long is US 95 (hwy 456) over Succor Creek?

The structure is 148 ft (45 m) long with a longest span of 49 ft (14.9 m) and a deck 36 ft wide.

Who owns US 95 (hwy 456) over Succor Creek?

It is owned by the State Highway Agency.