US Bridges

Maple Drive over Overflow

Good

Lane County, Oregon · 012 E Rivr Rd-Maple DR Jc · Structure no. 39C313 16S4W23B

Built
1993
32 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
110
2020 count
Owner
County
County Highway Agency

About this bridge

Maple Drive over Overflow is a prestressed concrete slab carrying Maple Drive over Overflow in Lane County, Oregon. It was built in 1993, so it is 32 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 110 vehicles a day, roughly 1% of them trucks, projected to reach 126 by 2025. The structure is 72 ft (21.9 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesMaple Drive
CrossesOverflow
Location012 E Rivr Rd-Maple DR Jc
RouteCounty Highway C3140
StateOregon
Coordinates44.17058, -123.14062
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating80 US tons
Inventory rating48 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length72 ft (21.9 m)
Longest span71 ft (21.6 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2020)
Projected traffic126 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
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 Maple Drive over Overflow built?

It was built in 1993, making it 32 years old in 2025.

What condition is Maple Drive over Overflow 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 July 2024.

How much traffic does Maple Drive over Overflow carry?

About 110 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Maple Drive over Overflow?

The structure is 72 ft (21.9 m) long with a longest span of 71 ft (21.6 m) and a deck 20 ft wide.

Who owns Maple Drive over Overflow?

It is owned by the County Highway Agency.