US Bridges

Grant Road over Luckiamute River

Fair

Polk County, Oregon · 0005 E of State HWY 223 · Structure no. 16693 106200005

Built
1986
39 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
112 ft
1 main span
Daily traffic
42
2020 count
Owner
County
County Highway Agency

About this bridge

Grant Road over Luckiamute River is a prestressed concrete tee beam carrying Grant Road over Luckiamute River in Polk County, Oregon. It was built in 1986, so it is 39 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 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 42 vehicles a day, projected to reach 66 by 2040. The structure is 112 ft (34.1 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesGrant Road
CrossesLuckiamute River
Location0005 E of State HWY 223
RouteCounty Highway 0
StateOregon
Coordinates44.72157, -123.43789
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to 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 rating37.8 US tons
Inventory rating29.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length112 ft (34.1 m)
Longest span110 ft (33.5 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42 (2020)
Projected traffic66 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Grant Road over Luckiamute River built?

It was built in 1986, making it 39 years old in 2025.

What condition is Grant Road over Luckiamute River 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 2024.

How much traffic does Grant Road over Luckiamute River carry?

About 42 vehicles per day (2020 count).

How long is Grant Road over Luckiamute River?

The structure is 112 ft (34.1 m) long with a longest span of 110 ft (33.5 m) and a deck 31 ft wide.

Who owns Grant Road over Luckiamute River?

It is owned by the County Highway Agency.