US Bridges

Moore ST over Barnum Canyon

Good

Sherman County, Oregon · Moore ST in Moro · Structure no. 18680 000 00000

Built
1900
125 years old
Condition
Good
inspected August 2024
Type
Culvert
Steel
Length
23 ft
1 main span
Daily traffic
74
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Moore ST over Barnum Canyon is a steel culvert carrying Moore ST over Barnum Canyon in Sherman County, Oregon. It was built in 1900, so it is 125 years old, older 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.

It carries about 74 vehicles a day, roughly 5% of them trucks, projected to reach 83 by 2025. The structure is 23 ft (7 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesMoore ST
CrossesBarnum Canyon
LocationMoore ST in Moro
RouteCounty Highway 0
StateOregon
Coordinates45.48194, -120.73301
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating43.5 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHL 93
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic74 (2020)
Projected traffic83 by 2025
Trucks5%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Moore ST over Barnum Canyon built?

It was built in 1900, making it 125 years old in 2025.

What condition is Moore ST over Barnum Canyon 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 Moore ST over Barnum Canyon carry?

About 74 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Moore ST over Barnum Canyon?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m).

Who owns Moore ST over Barnum Canyon?

It is owned by the City or Municipal Highway Agency.