US Bridges

Monument Drive over Jumpoff Joe Creek

Fair

Josephine County, Oregon · T35S-R6W-S10 Josephine CO · Structure no. 33C28 220000410

Built
1940
85 years old, rebuilt 1977
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
54 ft
1 main span
Daily traffic
2,871
2020 count
Owner
County
County Highway Agency

About this bridge

Monument Drive over Jumpoff Joe Creek is a concrete tee beam carrying Monument Drive over Jumpoff Joe Creek in Josephine County, Oregon. It was built in 1940 and reconstructed in 1977, so it is 85 years old, older 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 2,871 vehicles a day, roughly 10% of them trucks, projected to reach 3,221 by 2025. The structure is 54 ft (16.5 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMonument Drive
CrossesJumpoff Joe Creek
LocationT35S-R6W-S10 Josephine CO
RouteCounty Highway A3340
StateOregon
Coordinates42.5459, -123.38632
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating17.2 US tons
Inventory rating13.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span49 ft (14.9 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,871 (2020)
Projected traffic3,221 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Monument Drive over Jumpoff Joe Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1977.

What condition is Monument Drive over Jumpoff Joe 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 October 2024.

How much traffic does Monument Drive over Jumpoff Joe Creek carry?

About 2,871 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Monument Drive over Jumpoff Joe Creek?

The structure is 54 ft (16.5 m) long with a longest span of 49 ft (14.9 m) and a deck 35 ft wide.

Who owns Monument Drive over Jumpoff Joe Creek?

It is owned by the County Highway Agency.