US Bridges

Rhinehart Lane over Grande Ronde River

Good

Union County, Oregon · 1.0 MI E of HWY 82 · Structure no. 18040 135 00100

Built
1997
28 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
194 ft
2 main spans
Daily traffic
139
2020 count
Owner
County
County Highway Agency

About this bridge

Rhinehart Lane over Grande Ronde River is a prestressed concrete tee beam carrying Rhinehart Lane over Grande Ronde River in Union 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 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 139 vehicles a day, roughly 10% of them trucks, projected to reach 154 by 2025. The structure is 194 ft (59.1 m) long and 35 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesRhinehart Lane
CrossesGrande Ronde River
Location1.0 MI E of HWY 82
RouteCounty Highway 0
StateOregon
Coordinates45.49655, -117.92433
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 25 or greater
Structure length194 ft (59.1 m)
Longest span126 ft (38.4 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic139 (2020)
Projected traffic154 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Rhinehart Lane over Grande Ronde River built?

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

What condition is Rhinehart Lane over Grande Ronde River 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 September 2024.

How much traffic does Rhinehart Lane over Grande Ronde River carry?

About 139 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Rhinehart Lane over Grande Ronde River?

The structure is 194 ft (59.1 m) long with a longest span of 126 ft (38.4 m) and a deck 35 ft wide.

Who owns Rhinehart Lane over Grande Ronde River?

It is owned by the County Highway Agency.