US Bridges

Stage Coach RD over Smith Creek

Good

Lane County, Oregon · 081 MI SE Swisshome · Structure no. 39C506502000358

Built
1981
44 years old
Condition
Good
inspected August 2023
Type
Slab
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
152
2020 count
Owner
County
County Highway Agency

About this bridge

Stage Coach RD over Smith Creek is a prestressed concrete slab carrying Stage Coach RD over Smith Creek in Lane County, Oregon. It was built in 1981, so it is 44 years old, younger 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 152 vehicles a day, projected to reach 177 by 2025. The structure is 46 ft (14 m) long and 20 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesStage Coach RD
CrossesSmith Creek
Location081 MI SE Swisshome
RouteCounty Highway C5020
CountyLane County
StateOregon
Coordinates44.03864, -123.67471
Functional classRural Minor Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span45 ft (13.7 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic152 (2020)
Projected traffic177 by 2025
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-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$236,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Stage Coach RD over Smith Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Stage Coach RD over Smith 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 August 2023.

How much traffic does Stage Coach RD over Smith Creek carry?

About 152 vehicles per day (2020 count).

How long is Stage Coach RD over Smith Creek?

The structure is 46 ft (14 m) long with a longest span of 45 ft (13.7 m) and a deck 20 ft wide.

Who owns Stage Coach RD over Smith Creek?

It is owned by the County Highway Agency.