US Bridges

Washington RD over Salt River

Good

Macomb County, Michigan · 0.1 Mile West of Baker RD · Structure no. 000000000006277

Built
2024
1 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
16,400
2020 count
Owner
County
County Highway Agency

About this bridge

Washington RD over Salt River is a prestressed concrete stringer/multi-beam or girder carrying Washington RD over Salt River in Macomb County, Michigan. It was built in 2024, so it is 1 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 16,400 vehicles a day, roughly 5% of them trucks, projected to reach 18,800 by 2040. The structure is 92 ft (28 m) long and 42 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesWashington RD
CrossesSalt River
Location0.1 Mile West of Baker RD
RouteCounty Highway 0
Coordinates42.70079, -82.76566
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
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 rating89 US tons
Inventory rating68.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length92 ft (28 m)
Longest span89 ft (27 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,400 (2020)
Projected traffic18,800 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$110,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Washington RD over Salt River built?

It was built in 2024, making it 1 years old in 2025.

What condition is Washington RD over Salt River 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 September 2024.

How much traffic does Washington RD over Salt River carry?

About 16,400 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Washington RD over Salt River?

The structure is 92 ft (28 m) long with a longest span of 89 ft (27 m) and a deck 42 ft wide.

Who owns Washington RD over Salt River?

It is owned by the County Highway Agency.