US Bridges

Marys Peak RD over Spout Creek

Fair

Lincoln County, Oregon · At Harlan · Structure no. 12137 61801 005

Built
1970
55 years old
Condition
Fair
inspected September 2024
Type
Slab
Prestressed Concrete
Length
58 ft
3 main spans
Daily traffic
104
2020 count
Owner
County
County Highway Agency

About this bridge

Marys Peak RD over Spout Creek is a prestressed concrete slab carrying Marys Peak RD over Spout Creek in Lincoln 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 104 vehicles a day, roughly 10% of them trucks, projected to reach 148 by 2040. The structure is 58 ft (17.7 m) long and 20 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesMarys Peak RD
CrossesSpout Creek
LocationAt Harlan
RouteCounty Highway 0
StateOregon
Coordinates44.54017, -123.69393
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span29 ft (8.8 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic104 (2020)
Projected traffic148 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$297,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Marys Peak RD over Spout Creek built?

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

What condition is Marys Peak RD over Spout 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 September 2024.

How much traffic does Marys Peak RD over Spout Creek carry?

About 104 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Marys Peak RD over Spout Creek?

The structure is 58 ft (17.7 m) long with a longest span of 29 ft (8.8 m) and a deck 20 ft wide.

Who owns Marys Peak RD over Spout Creek?

It is owned by the County Highway Agency.