US Bridges

CO RD 18 over S.Fork Long Creek

Good

Grant County, Oregon · 4.7 MI E JCT US 395 · Structure no. T23C18101800470

Built
2024
1 years old
Condition
Good
inspected August 2024
Type
Girder and Floorbeam System
Steel
Length
61 ft
1 main span
Daily traffic
21
2020 count
Owner
County
County Highway Agency

About this bridge

CO RD 18 over S.Fork Long Creek is a steel girder and floorbeam system carrying CO RD 18 over S.Fork Long Creek in Grant County, Oregon. It was built in 2024, so it is 1 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: open, temporary structure in place while original is closed.

It carries about 21 vehicles a day, projected to reach 26 by 2025. The structure is 61 ft (18.6 m) long and 13 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

CarriesCO RD 18
CrossesS.Fork Long Creek
Location4.7 MI E JCT US 395
RouteCounty Highway C0018
StateOregon
Coordinates44.68945, -119.0163
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, temporary structure in place while original is closed
ScourScour evaluation has not been made
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating0 US tons

Structure

MaterialSteel
DeckNot applicable
Main spans1
Design loadHL 93
Structure length61 ft (18.6 m)
Longest span61 ft (18.6 m)
Deck width13 ft (4 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21 (2020)
Projected traffic26 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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 CO RD 18 over S.Fork Long Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is CO RD 18 over S.Fork Long 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 August 2024.

How much traffic does CO RD 18 over S.Fork Long Creek carry?

About 21 vehicles per day (2020 count).

How long is CO RD 18 over S.Fork Long Creek?

The structure is 61 ft (18.6 m) long with a longest span of 61 ft (18.6 m) and a deck 13 ft wide.

Who owns CO RD 18 over S.Fork Long Creek?

It is owned by the County Highway Agency.