US Bridges

C Street over Willow Creek EB

Good

Jefferson County, Oregon · 0.4 MI E of HWY 97 · Structure no. 16092 000 00039

Built
1974
51 years old
Condition
Good
inspected November 2024
Type
Slab
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
197
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

C Street over Willow Creek EB is a prestressed concrete slab carrying C Street over Willow Creek EB in Jefferson County, Oregon. It was built in 1974, so it is 51 years old, older 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 197 vehicles a day, roughly 15% of them trucks, projected to reach 232 by 2025. The structure is 56 ft (17.1 m) long and 62 ft wide.

CarriesC Street
CrossesWillow Creek EB
Location0.4 MI E of HWY 97
RouteCounty Highway 0
StateOregon
Coordinates44.63465, -121.12166
Functional classUrban 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 protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.6 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span55 ft (16.8 m)
Deck width62 ft (18.8 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic197 (2020)
Projected traffic232 by 2025
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 C Street over Willow Creek EB built?

It was built in 1974, making it 51 years old in 2025.

What condition is C Street over Willow Creek EB 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 November 2024.

How much traffic does C Street over Willow Creek EB carry?

About 197 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is C Street over Willow Creek EB?

The structure is 56 ft (17.1 m) long with a longest span of 55 ft (16.8 m) and a deck 62 ft wide.

Who owns C Street over Willow Creek EB?

It is owned by the City or Municipal Highway Agency.