US Bridges

County RD 79G over Halls Ck/Ernie Watkins

Good

Coos County, Oregon · 0243 from JCT RD 4B & 79 · Structure no. 16832 000000000

Built
1990
35 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
106 ft
1 main span
Daily traffic
191
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 79G over Halls Ck/Ernie Watkins is a prestressed concrete tee beam carrying County RD 79G over Halls Ck/Ernie Watkins in Coos County, Oregon. It was built in 1990, so it is 35 years old, younger 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 191 vehicles a day, roughly 10% of them trucks, projected to reach 216 by 2025. The structure is 106 ft (32.3 m) long and 27 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCounty RD 79G
CrossesHalls Ck/Ernie Watkins
Location0243 from JCT RD 4B & 79
RouteCounty Highway C079G
StateOregon
Coordinates43.07877, -124.22435
Functional classRural Local

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 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
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than 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 alignment6: Equal to present minimum criteria
Operating rating53.6 US tons
Inventory rating41.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length106 ft (32.3 m)
Longest span104 ft (31.7 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic191 (2020)
Projected traffic216 by 2025
Trucks10%
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 79G over Halls Ck/Ernie Watkins built?

It was built in 1990, making it 35 years old in 2025.

What condition is County RD 79G over Halls Ck/Ernie Watkins 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 September 2024.

How much traffic does County RD 79G over Halls Ck/Ernie Watkins carry?

About 191 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is County RD 79G over Halls Ck/Ernie Watkins?

The structure is 106 ft (32.3 m) long with a longest span of 104 ft (31.7 m) and a deck 27 ft wide.

Who owns County RD 79G over Halls Ck/Ernie Watkins?

It is owned by the County Highway Agency.