US Bridges

Berlin Road over Hamilton Creek

Good

Linn County, Oregon · 049 MI East of Lebanon · Structure no. 23838A020B00490

Built
2020
5 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
113 ft
1 main span
Daily traffic
1,288
2021 count
Owner
County
County Highway Agency

About this bridge

Berlin Road over Hamilton Creek is a prestressed concrete box beam or girders - multiple carrying Berlin Road over Hamilton Creek in Linn County, Oregon. It was built in 2020, so it is 5 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 1,288 vehicles a day, roughly 15% of them trucks, projected to reach 1,648 by 2041. The structure is 113 ft (34.4 m) long and 36 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesBerlin Road
CrossesHamilton Creek
Location049 MI East of Lebanon
RouteCounty Highway A0483
StateOregon
Coordinates44.51112, -122.81334
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length113 ft (34.4 m)
Longest span109 ft (33.2 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,288 (2021)
Projected traffic1,648 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Berlin Road over Hamilton Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Berlin Road over Hamilton Creek 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 June 2023.

How much traffic does Berlin Road over Hamilton Creek carry?

About 1,288 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is Berlin Road over Hamilton Creek?

The structure is 113 ft (34.4 m) long with a longest span of 109 ft (33.2 m) and a deck 36 ft wide.

Who owns Berlin Road over Hamilton Creek?

It is owned by the County Highway Agency.