US Bridges

NE 72nd Ave over Salmon Creek

Good

Clark County, Washington · 0.5N of NE139th ST · Structure no. 086117000000000

Built
1994
31 years old
Condition
Good
inspected December 2022
Type
Tee Beam
Concrete
Length
110 ft
1 main span
Daily traffic
15,818
2018 count
Owner
County
County Highway Agency

About this bridge

NE 72nd Ave over Salmon Creek is a concrete tee beam carrying NE 72nd Ave over Salmon Creek in Clark County, Washington. It was built in 1994, so it is 31 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 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 15,818 vehicles a day, roughly 12% of them trucks, projected to reach 34,931 by 2038. The structure is 110 ft (33.5 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNE 72nd Ave
CrossesSalmon Creek
Location0.5N of NE139th ST
RouteCounty Highway 91250
Coordinates45.72838, -122.59948
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.5 US tons
Inventory rating22.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckOther
Main spans1
Design loadHL 93
Structure length110 ft (33.5 m)
Longest span109 ft (33.2 m)
Deck width44 ft (13.3 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,818 (2018)
Projected traffic34,931 by 2038
Trucks12%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NE 72nd Ave over Salmon Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is NE 72nd Ave over Salmon 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 December 2022.

How much traffic does NE 72nd Ave over Salmon Creek carry?

About 15,818 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is NE 72nd Ave over Salmon Creek?

The structure is 110 ft (33.5 m) long with a longest span of 109 ft (33.2 m) and a deck 44 ft wide.

Who owns NE 72nd Ave over Salmon Creek?

It is owned by the County Highway Agency.