US Bridges

Maggie Johnson RD over US 30 (hwy 92)

Fair

Clatsop County, Oregon · 11.0 MI E Astoria · Structure no. 07418 02W 08284

Built
1951
74 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
107
2010 count
Owner
State
State Highway Agency

About this bridge

Maggie Johnson RD over US 30 (hwy 92) is a concrete continuous tee beam carrying Maggie Johnson RD over US 30 (hwy 92) in Clatsop County, Oregon. It was built in 1951, so it is 74 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 107 vehicles a day, roughly 10% of them trucks, projected to reach 164 by 2030. The structure is 100 ft (30.5 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesMaggie Johnson RD
CrossesUS 30 (hwy 92)
Location11.0 MI E Astoria
RouteCity Street 0
CountyClatsop County
StateOregon
Coordinates46.16712, -123.59904
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic107 (2010)
Projected traffic164 by 2030
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed123.7 mi (199 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$512,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Maggie Johnson RD over US 30 (hwy 92) built?

It was built in 1951, making it 74 years old in 2025.

What condition is Maggie Johnson RD over US 30 (hwy 92) 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 March 2023.

How much traffic does Maggie Johnson RD over US 30 (hwy 92) carry?

About 107 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is Maggie Johnson RD over US 30 (hwy 92)?

The structure is 100 ft (30.5 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns Maggie Johnson RD over US 30 (hwy 92)?

It is owned by the State Highway Agency.