US Bridges

16 NE over Crab Creek

Good

Grant County, Washington · 16 NE 4.0 W of Stratford · Structure no. 088151000000000

Built
2010
15 years old
Condition
Good
inspected October 2023
Type
Culvert
Steel
Length
61 ft
4 main spans
Daily traffic
157
2019 count
Owner
County
County Highway Agency

About this bridge

16 NE over Crab Creek is a steel culvert carrying 16 NE over Crab Creek in Grant County, Washington. It was built in 2010, so it is 15 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 157 vehicles a day, roughly 23% of them trucks, projected to reach 250 by 2041. The structure is 61 ft (18.6 m) long and 56 ft wide. If it were closed, the detour would be 18 mi (29 km).

Carries16 NE
CrossesCrab Creek
Location16 NE 4.0 W of Stratford
RouteCounty Highway 46750
Coordinates47.31984, -119.3567
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.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than 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 spans4
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span12 ft (3.7 m)
Deck width56 ft (17.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic157 (2019)
Projected traffic250 by 2041
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$753,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 16 NE over Crab Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is 16 NE over Crab 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 October 2023.

How much traffic does 16 NE over Crab Creek carry?

About 157 vehicles per day (2019 count), of which roughly 23% are trucks.

How long is 16 NE over Crab Creek?

The structure is 61 ft (18.6 m) long with a longest span of 12 ft (3.7 m) and a deck 56 ft wide.

Who owns 16 NE over Crab Creek?

It is owned by the County Highway Agency.