US Bridges

Or 202 (hwy 102) over Overflow Channel

Good

Clatsop County, Oregon · 3.0 MI W of Birkenfeld · Structure no. 01710A102 03798

Built
1990
35 years old
Condition
Good
inspected October 2024
Type
Slab
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
273
2022 count
Owner
State
State Highway Agency

About this bridge

Or 202 (hwy 102) over Overflow Channel is a prestressed concrete slab carrying Or 202 (hwy 102) over Overflow Channel in Clatsop County, Oregon. It was built in 1990, so it is 35 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 273 vehicles a day, roughly 15% of them trucks, projected to reach 360 by 2042. The structure is 29 ft (8.8 m) long and 36 ft wide. If it were closed, the detour would be 29.2 mi (47 km).

CarriesOr 202 (hwy 102)
CrossesOverflow Channel
Location3.0 MI W of Birkenfeld
RouteState Highway 202
StateOregon
Coordinates45.98109, -123.37991
Functional classRural Major 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.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating42.1 US tons
Inventory rating32.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length29 ft (8.8 m)
Longest span29 ft (8.8 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic273 (2022)
Projected traffic360 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.2 mi (47 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Or 202 (hwy 102) over Overflow Channel built?

It was built in 1990, making it 35 years old in 2025.

What condition is Or 202 (hwy 102) over Overflow Channel 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 October 2024.

How much traffic does Or 202 (hwy 102) over Overflow Channel carry?

About 273 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Or 202 (hwy 102) over Overflow Channel?

The structure is 29 ft (8.8 m) long with a longest span of 29 ft (8.8 m) and a deck 36 ft wide.

Who owns Or 202 (hwy 102) over Overflow Channel?

It is owned by the State Highway Agency.