US Bridges

County RD 81G over Reed Creek

Fair

Coos County, Oregon · 0004 So CO Fairgrounds · Structure no. 11C63A008100078

Built
1985
40 years old
Condition
Fair
inspected September 2024
Type
Slab
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
15
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 81G over Reed Creek is a prestressed concrete slab carrying County RD 81G over Reed Creek in Coos County, Oregon. It was built in 1985, 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 15 vehicles a day, roughly 1% of them trucks, projected to reach 15 by 2025. The structure is 28 ft (8.5 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCounty RD 81G
CrossesReed Creek
Location0004 So CO Fairgrounds
RouteCounty Highway 81G
StateOregon
Coordinates43.0538, -124.1473
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
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 rating44 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2020)
Projected traffic15 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 81G over Reed Creek built?

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

What condition is County RD 81G over Reed 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 81G over Reed Creek carry?

About 15 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is County RD 81G over Reed Creek?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 20 ft wide.

Who owns County RD 81G over Reed Creek?

It is owned by the County Highway Agency.