US Bridges

Holland Loop over Mulvaney Gulch

Fair

Josephine County, Oregon · T33S-R7W-S33 Josephine · Structure no. 18650 580025491

Built
1997
28 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
753
2020 count
Owner
County
County Highway Agency

About this bridge

Holland Loop over Mulvaney Gulch is a concrete continuous culvert carrying Holland Loop over Mulvaney Gulch in Josephine County, Oregon. It was built in 1997, so it is 28 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 753 vehicles a day, roughly 10% of them trucks, projected to reach 888 by 2025. The structure is 24 ft (7.3 m) long and 30 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesHolland Loop
CrossesMulvaney Gulch
LocationT33S-R7W-S33 Josephine
RouteCounty Highway A3200
StateOregon
Coordinates42.12734, -123.54831
Functional classRural Minor 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.8 US tons
Inventory rating19.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length24 ft (7.3 m)
Longest span15 ft (4.6 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic753 (2020)
Projected traffic888 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Holland Loop over Mulvaney Gulch built?

It was built in 1997, making it 28 years old in 2025.

What condition is Holland Loop over Mulvaney Gulch 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 October 2024.

How much traffic does Holland Loop over Mulvaney Gulch carry?

About 753 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Holland Loop over Mulvaney Gulch?

The structure is 24 ft (7.3 m) long with a longest span of 15 ft (4.6 m) and a deck 30 ft wide.

Who owns Holland Loop over Mulvaney Gulch?

It is owned by the County Highway Agency.