US Bridges

Ten Mile Road over Wildcat Creek

Fair

Lane County, Oregon · 083 MI E HWY 101-TEN Mile · Structure no. 39C558521000830

Built
1983
42 years old
Condition
Fair
inspected September 2023
Type
Slab
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
112
2020 count
Owner
County
County Highway Agency

About this bridge

Ten Mile Road over Wildcat Creek is a prestressed concrete slab carrying Ten Mile Road over Wildcat Creek in Lane County, Oregon. It was built in 1983, so it is 42 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 5 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 112 vehicles a day, projected to reach 117 by 2025. The structure is 58 ft (17.7 m) long and 16 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesTen Mile Road
CrossesWildcat Creek
Location083 MI E HWY 101-TEN Mile
RouteCounty Highway C5210
StateOregon
Coordinates44.21408, -123.97355
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.9 US tons
Inventory rating18.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span57 ft (17.4 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic112 (2020)
Projected traffic117 by 2025
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 Ten Mile Road over Wildcat Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Ten Mile Road over Wildcat 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 2023.

How much traffic does Ten Mile Road over Wildcat Creek carry?

About 112 vehicles per day (2020 count).

How long is Ten Mile Road over Wildcat Creek?

The structure is 58 ft (17.7 m) long with a longest span of 57 ft (17.4 m) and a deck 16 ft wide.

Who owns Ten Mile Road over Wildcat Creek?

It is owned by the County Highway Agency.