US Bridges

Enterprise Road over W Fork Salt Creek

Fair

Polk County, Oregon · 0001 N State HWY 22 · Structure no. 53C025000300693

Built
1961
64 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
236
2020 count
Owner
County
County Highway Agency

About this bridge

Enterprise Road over W Fork Salt Creek is a concrete continuous culvert carrying Enterprise Road over W Fork Salt Creek in Polk County, Oregon. It was built in 1961, so it is 64 years old, older 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.

It carries about 236 vehicles a day, roughly 10% of them trucks, projected to reach 339 by 2040. The structure is 27 ft (8.2 m) long and 48 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesEnterprise Road
CrossesW Fork Salt Creek
Location0001 N State HWY 22
RouteCounty Highway 0
StateOregon
Coordinates44.99747, -123.35542
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating23.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width48 ft (14.7 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic236 (2020)
Projected traffic339 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Enterprise Road over W Fork Salt Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Enterprise Road over W Fork Salt 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 2024.

How much traffic does Enterprise Road over W Fork Salt Creek carry?

About 236 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Enterprise Road over W Fork Salt Creek?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m) and a deck 48 ft wide.

Who owns Enterprise Road over W Fork Salt Creek?

It is owned by the County Highway Agency.