US Bridges

Mehl CR RD #11 over Umpqua River @ Elkton

FairPosted for load

Douglas County, Oregon · 0.5 MI S of Elkton · Structure no. 19C488 11 900

Built
1967
58 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
913 ft
7 main spans
Daily traffic
724
2020 count
Owner
County
County Highway Agency

About this bridge

Mehl CR RD #11 over Umpqua River @ Elkton is a prestressed concrete stringer/multi-beam or girder carrying Mehl CR RD #11 over Umpqua River @ Elkton in Douglas County, Oregon. It was built in 1967, so it is 58 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. Its operating status is: posted for load restriction.

It carries about 724 vehicles a day, roughly 8% of them trucks, projected to reach 819 by 2025. The structure is 913 ft (278.3 m) long and 32 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesMehl CR RD #11
CrossesUmpqua River @ Elkton
Location0.5 MI S of Elkton
RouteCounty Highway C0011
CountyDouglas County
StateOregon
Coordinates43.63198, -123.5671
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.6 US tons
Inventory rating20.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length913 ft (278.3 m)
Longest span130 ft (39.6 m)
Deck width32 ft (9.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic724 (2020)
Projected traffic819 by 2025
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Mehl CR RD #11 over Umpqua River @ Elkton built?

It was built in 1967, making it 58 years old in 2025.

What condition is Mehl CR RD #11 over Umpqua River @ Elkton 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 Mehl CR RD #11 over Umpqua River @ Elkton carry?

About 724 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Mehl CR RD #11 over Umpqua River @ Elkton?

The structure is 913 ft (278.3 m) long with a longest span of 130 ft (39.6 m) and a deck 32 ft wide.

Who owns Mehl CR RD #11 over Umpqua River @ Elkton?

It is owned by the County Highway Agency.