US Bridges

Clark over Salt River

Fair

Macomb County, Michigan · 0.15 MI W of M-19 · Structure no. 000000000006419

Built
2007
18 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
3,109
2005 count
Owner
City
City or Municipal Highway Agency

About this bridge

Clark over Salt River is a prestressed concrete box beam or girders - multiple carrying Clark over Salt River in Macomb County, Michigan. It was built in 2007, so it is 18 years old, younger than the Michigan average of 48.3 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 3,109 vehicles a day, roughly 2% of them trucks, projected to reach 7,000 by 2025. The structure is 43 ft (13.1 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesClark
CrossesSalt River
Location0.15 MI W of M-19
RouteCity Street 0
Coordinates42.73444, -82.78727
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating53.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length43 ft (13.1 m)
Longest span39 ft (11.9 m)
Deck width50 ft (15.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,109 (2005)
Projected traffic7,000 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Clark over Salt River built?

It was built in 2007, making it 18 years old in 2025.

What condition is Clark over Salt River 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 Clark over Salt River carry?

About 3,109 vehicles per day (2005 count), of which roughly 2% are trucks.

How long is Clark over Salt River?

The structure is 43 ft (13.1 m) long with a longest span of 39 ft (11.9 m) and a deck 50 ft wide.

Who owns Clark over Salt River?

It is owned by the City or Municipal Highway Agency.