US Bridges

Bellinger Rd. over Hamilton CR

PoorPosted for load

Linn County, Oregon · 008 MI N CR 20B · Structure no. 11962 072700079

Built
1967
58 years old
Condition
Poor
inspected June 2023
Type
Slab
Prestressed Concrete
Length
60 ft
2 main spans
Daily traffic
118
2021 count
Owner
County
County Highway Agency

About this bridge

Bellinger Rd. over Hamilton CR is a prestressed concrete slab carrying Bellinger Rd. over Hamilton CR in Linn County, Oregon. It was built in 1967, so it is 58 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for other load-capacity restriction.

It carries about 118 vehicles a day, roughly 10% of them trucks, projected to reach 180 by 2041. The structure is 60 ft (18.3 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesBellinger Rd.
CrossesHamilton CR
Location008 MI N CR 20B
RouteCounty Highway C0727
StateOregon
Coordinates44.50355, -122.76807
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourUnknown foundation; not evaluated for scour
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.8 US tons
Inventory rating37.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span29 ft (8.8 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic118 (2021)
Projected traffic180 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Bellinger Rd. over Hamilton CR built?

It was built in 1967, making it 58 years old in 2025.

What condition is Bellinger Rd. over Hamilton CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does Bellinger Rd. over Hamilton CR carry?

About 118 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Bellinger Rd. over Hamilton CR?

The structure is 60 ft (18.3 m) long with a longest span of 29 ft (8.8 m) and a deck 24 ft wide.

Who owns Bellinger Rd. over Hamilton CR?

It is owned by the County Highway Agency.