US Bridges

County RD 179G over Fish Trap Cr/Collier

Fair

Coos County, Oregon · 10 North of Arago · Structure no. 18341 000 00022

Built
2000
25 years old
Condition
Fair
inspected September 2024
Type
Slab
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
15
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 179G over Fish Trap Cr/Collier is a prestressed concrete slab carrying County RD 179G over Fish Trap Cr/Collier in Coos County, Oregon. It was built in 2000, so it is 25 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 59 ft (18 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCounty RD 179G
CrossesFish Trap Cr/Collier
Location10 North of Arago
RouteCounty Highway C179G
StateOregon
Coordinates43.11974, -124.19761
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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69.3 US tons
Inventory rating53.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length59 ft (18 m)
Longest span58 ft (17.7 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$302,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 179G over Fish Trap Cr/Collier built?

It was built in 2000, making it 25 years old in 2025.

What condition is County RD 179G over Fish Trap Cr/Collier 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 179G over Fish Trap Cr/Collier carry?

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

How long is County RD 179G over Fish Trap Cr/Collier?

The structure is 59 ft (18 m) long with a longest span of 58 ft (17.7 m) and a deck 20 ft wide.

Who owns County RD 179G over Fish Trap Cr/Collier?

It is owned by the County Highway Agency.