US Bridges

Goar Road over Thomas Creek

FairPosted for load

Linn County, Oregon · 003 MI N CR 628 · Structure no. 23099 062900107

Built
2017
8 years old
Condition
Fair
inspected August 2023
Type
Truss - Thru
Wood or Timber
Length
208 ft
1 main span
Daily traffic
260
2021 count
Owner
County
County Highway Agency

About this bridge

Goar Road over Thomas Creek is a wood or timber truss - thru carrying Goar Road over Thomas Creek in Linn County, Oregon. It was built in 2017, so it is 8 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 260 vehicles a day, roughly 5% of them trucks, projected to reach 350 by 2041. The structure is 208 ft (63.5 m) long and 18 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesGoar Road
CrossesThomas Creek
Location003 MI N CR 628
RouteCounty Highway C0629
StateOregon
Coordinates44.68792, -122.90341
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.7 US tons
Inventory rating19 US tons

Structure

Structure typeTruss - Thru
MaterialWood or Timber
DeckWood or timber
Main spans1 (+3 approach)
Design loadHL 93
Structure length208 ft (63.5 m)
Longest span123 ft (37.4 m)
Deck width18 ft (5.4 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deck12 ft (3.6 m)

Traffic and service

Average daily traffic260 (2021)
Projected traffic350 by 2041
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Goar Road over Thomas Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is Goar Road over Thomas Creek 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 August 2023.

How much traffic does Goar Road over Thomas Creek carry?

About 260 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Goar Road over Thomas Creek?

The structure is 208 ft (63.5 m) long with a longest span of 123 ft (37.4 m) and a deck 18 ft wide.

Who owns Goar Road over Thomas Creek?

It is owned by the County Highway Agency.