US Bridges

County RD 1C over Steel Creek

Fair

Coos County, Oregon · 2269 E JCT 101N an A396 · Structure no. C1103B001C02269

Built
1985
40 years old, rebuilt 1986
Condition
Fair
inspected September 2024
Type
Slab
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
284
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 1C over Steel Creek is a prestressed concrete slab carrying County RD 1C over Steel Creek in Coos County, Oregon. It was built in 1985 and reconstructed in 1986, so it is 40 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 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 284 vehicles a day, roughly 10% of them trucks, projected to reach 319 by 2025. The structure is 73 ft (22.3 m) long and 28 ft wide. If it were closed, the detour would be 70.2 mi (113 km).

Location

Open in Google Maps
CarriesCounty RD 1C
CrossesSteel Creek
Location2269 E JCT 101N an A396
RouteCounty Highway 0A396
CountyCoos County
StateOregon
Coordinates43.15769, -123.96235
Functional classRural Major 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.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length73 ft (22.3 m)
Longest span72 ft (21.9 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic284 (2020)
Projected traffic319 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed70.2 mi (113 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 County RD 1C over Steel Creek built?

It was built in 1985, making it 40 years old in 2025. It was reconstructed in 1986.

What condition is County RD 1C over Steel 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 County RD 1C over Steel Creek carry?

About 284 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is County RD 1C over Steel Creek?

The structure is 73 ft (22.3 m) long with a longest span of 72 ft (21.9 m) and a deck 28 ft wide.

Who owns County RD 1C over Steel Creek?

It is owned by the County Highway Agency.