US Bridges

Yaw Street over Dowagiac River

PoorPosted for load

Cass County, Michigan · 1 MI N of M-62 · Structure no. 000000000001459

Built
1930
95 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
26
2019 count
Owner
County
County Highway Agency

About this bridge

Yaw Street over Dowagiac River is a steel stringer/multi-beam or girder carrying Yaw Street over Dowagiac River in Cass County, Michigan. It was built in 1930, so it is 95 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 26 vehicles a day, projected to reach 30 by 2039. The structure is 43 ft (13.1 m) long and 19 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

CarriesYaw Street
CrossesDowagiac River
Location1 MI N of M-62
RouteCounty Highway 0
Coordinates41.99846, -86.15571
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating17.9 US tons
Inventory rating10.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length43 ft (13.1 m)
Longest span43 ft (13.1 m)
Deck width19 ft (5.7 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2019)
Projected traffic30 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Yaw Street over Dowagiac River built?

It was built in 1930, making it 95 years old in 2025.

What condition is Yaw Street over Dowagiac River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Yaw Street over Dowagiac River carry?

About 26 vehicles per day (2019 count).

How long is Yaw Street over Dowagiac River?

The structure is 43 ft (13.1 m) long with a longest span of 43 ft (13.1 m) and a deck 19 ft wide.

Who owns Yaw Street over Dowagiac River?

It is owned by the County Highway Agency.