US Bridges

Grange Hall RD over Greasy Creek

Good

Benton County, Oregon · 0025 MI E of HWY 34 · Structure no. 18630 000 00020

Built
2000
25 years old
Condition
Good
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
119 ft
1 main span
Daily traffic
336
2020 count
Owner
County
County Highway Agency

About this bridge

Grange Hall RD over Greasy Creek is a prestressed concrete tee beam carrying Grange Hall RD over Greasy Creek in Benton County, Oregon. It was built in 2000, so it is 25 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 336 vehicles a day, roughly 15% of them trucks, projected to reach 562 by 2040. The structure is 119 ft (36.3 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesGrange Hall RD
CrossesGreasy Creek
Location0025 MI E of HWY 34
RouteCounty Highway 0
StateOregon
Coordinates44.53392, -123.38795
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating41.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length119 ft (36.3 m)
Longest span115 ft (35.1 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic336 (2020)
Projected traffic562 by 2040
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Grange Hall RD over Greasy Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is Grange Hall RD over Greasy 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 July 2024.

How much traffic does Grange Hall RD over Greasy Creek carry?

About 336 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Grange Hall RD over Greasy Creek?

The structure is 119 ft (36.3 m) long with a longest span of 115 ft (35.1 m) and a deck 34 ft wide.

Who owns Grange Hall RD over Greasy Creek?

It is owned by the County Highway Agency.