US Bridges

Upper Maple CR RD over Henderson Creek

FairPosted for load

Lane County, Oregon · 080 MI E HWY 101-WOAHINK · Structure no. 39C571532600346

Built
1984
41 years old
Condition
Fair
inspected August 2023
Type
Channel Beam
Concrete
Length
38 ft
2 main spans
Daily traffic
29
2020 count
Owner
County
County Highway Agency

About this bridge

Upper Maple CR RD over Henderson Creek is a concrete channel beam carrying Upper Maple CR RD over Henderson Creek in Lane County, Oregon. It was built in 1984, so it is 41 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 5 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 29 vehicles a day, projected to reach 33 by 2025. The structure is 38 ft (11.6 m) long and 18 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesUpper Maple CR RD
CrossesHenderson Creek
Location080 MI E HWY 101-WOAHINK
RouteCounty Highway C5326
StateOregon
Coordinates43.92903, -123.97543
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating24.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span18 ft (5.5 m)
Deck width18 ft (5.6 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2020)
Projected traffic33 by 2025
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 Upper Maple CR RD over Henderson Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Upper Maple CR RD over Henderson 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 August 2023.

How much traffic does Upper Maple CR RD over Henderson Creek carry?

About 29 vehicles per day (2020 count).

How long is Upper Maple CR RD over Henderson Creek?

The structure is 38 ft (11.6 m) long with a longest span of 18 ft (5.5 m) and a deck 18 ft wide.

Who owns Upper Maple CR RD over Henderson Creek?

It is owned by the County Highway Agency.