US Bridges

County RD 1C over Brummit Creek

Fair

Coos County, Oregon · 0.02 MI E. Old Sitkumski · Structure no. 11C04 396 02989

Built
1981
44 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
181
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 1C over Brummit Creek is a prestressed concrete box beam or girders - multiple carrying County RD 1C over Brummit Creek in Coos 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 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 181 vehicles a day, roughly 10% of them trucks, projected to reach 206 by 2025. The structure is 85 ft (25.9 m) long and 24 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesCounty RD 1C
CrossesBrummit Creek
Location0.02 MI E. Old Sitkumski
RouteCounty Highway 0A396
CountyCoos County
StateOregon
Coordinates43.14809, -123.85961
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.3 US tons
Inventory rating26.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span80 ft (24.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic181 (2020)
Projected traffic206 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 Brummit Creek built?

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

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

About 181 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is County RD 1C over Brummit Creek?

The structure is 85 ft (25.9 m) long with a longest span of 80 ft (24.4 m) and a deck 24 ft wide.

Who owns County RD 1C over Brummit Creek?

It is owned by the County Highway Agency.