US Bridges

Grand Prairie Dr. over I-5 (hwy 1)

Fair

Linn County, Oregon · 011 MI S of Albany Scl · Structure no. 08224 001 23191

Built
1958
67 years old, rebuilt 2010
Condition
Fair
inspected January 2023
Type
Tee Beam
Concrete Continuous
Length
252 ft
4 main spans
Daily traffic
1,995
2010 count
Owner
State
State Highway Agency

About this bridge

Grand Prairie Dr. over I-5 (hwy 1) is a concrete continuous tee beam carrying Grand Prairie Dr. over I-5 (hwy 1) in Linn County, Oregon. It was built in 1958 and reconstructed in 2010, so it is 67 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.

It carries about 1,995 vehicles a day, roughly 5% of them trucks, projected to reach 2,722 by 2030. The structure is 252 ft (76.8 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesGrand Prairie Dr.
CrossesI-5 (hwy 1)
Location011 MI S of Albany Scl
RouteCounty Highway 0
CountyLinn County
StateOregon
Coordinates44.61109, -123.06201
Functional classUrban Minor Arterial

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.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.4 US tons
Inventory rating19.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length252 ft (76.8 m)
Longest span78 ft (23.8 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,995 (2010)
Projected traffic2,722 by 2030
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Grand Prairie Dr. over I-5 (hwy 1) built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2010.

What condition is Grand Prairie Dr. over I-5 (hwy 1) 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 January 2023.

How much traffic does Grand Prairie Dr. over I-5 (hwy 1) carry?

About 1,995 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Grand Prairie Dr. over I-5 (hwy 1)?

The structure is 252 ft (76.8 m) long with a longest span of 78 ft (23.8 m) and a deck 31 ft wide.

Who owns Grand Prairie Dr. over I-5 (hwy 1)?

It is owned by the State Highway Agency.