US Bridges

US 97 over Dan Creek

Good

Okanogan County, Washington · 3.9 N JCT SR 17 · Structure no. 086142000000000

Built
1900
125 years old
Condition
Good
inspected July 2024
Type
Culvert
Steel
Length
22 ft
1 main span
Daily traffic
3,479
2023 count
Owner
State
State Highway Agency

About this bridge

US 97 over Dan Creek is a steel culvert carrying US 97 over Dan Creek in Okanogan County, Washington. It was built in 1900, so it is 125 years old, older than the Washington average of 49.8 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 3,479 vehicles a day, roughly 18% of them trucks, projected to reach 4,186 by 2039. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 23 mi (37 km).

CarriesUS 97
CrossesDan Creek
Location3.9 N JCT SR 17
RouteU.S. Route 97
Coordinates48.158, -119.66322
Functional classRural Principal Arterial - Other

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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating106.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,479 (2023)
Projected traffic4,186 by 2039
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$397,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 97 over Dan Creek built?

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

What condition is US 97 over Dan 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 US 97 over Dan Creek carry?

About 3,479 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is US 97 over Dan Creek?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m).

Who owns US 97 over Dan Creek?

It is owned by the State Highway Agency.