US Bridges

Montgomery RD over Spring Creek

Good

Jefferson County, Oregon · 20 MI E of Madras · Structure no. 19685 000 00000

Built
2003
22 years old
Condition
Good
inspected November 2024
Type
Slab
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
82
2020 count
Owner
County
County Highway Agency

About this bridge

Montgomery RD over Spring Creek is a prestressed concrete slab carrying Montgomery RD over Spring Creek in Jefferson County, Oregon. It was built in 2003, so it is 22 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.

It carries about 82 vehicles a day, roughly 5% of them trucks, projected to reach 97 by 2025. The structure is 52 ft (15.7 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesMontgomery RD
CrossesSpring Creek
Location20 MI E of Madras
RouteCounty Highway 0
StateOregon
Coordinates44.58416, -121.45512
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length52 ft (15.7 m)
Longest span50 ft (15.2 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic82 (2020)
Projected traffic97 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

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 Montgomery RD over Spring Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Montgomery RD over Spring 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 November 2024.

How much traffic does Montgomery RD over Spring Creek carry?

About 82 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Montgomery RD over Spring Creek?

The structure is 52 ft (15.7 m) long with a longest span of 50 ft (15.2 m) and a deck 20 ft wide.

Who owns Montgomery RD over Spring Creek?

It is owned by the County Highway Agency.