US Bridges

Mosherville Road over S Br Kalamazoo River

PoorPosted for load

Hillsdale County, Michigan · 0.1 MI E of Borden Road · Structure no. 000000000003355

Built
1947
78 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
506
2014 count
Owner
County
County Highway Agency

About this bridge

Mosherville Road over S Br Kalamazoo River is a steel stringer/multi-beam or girder carrying Mosherville Road over S Br Kalamazoo River in Hillsdale County, Michigan. It was built in 1947, so it is 78 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 3 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 506 vehicles a day, projected to reach 830 by 2038. The structure is 30 ft (9.1 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMosherville Road
CrossesS Br Kalamazoo River
Location0.1 MI E of Borden Road
RouteCounty Highway 0
Coordinates42.05816, -84.67909
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating21.8 US tons
Inventory rating12.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span27 ft (8.2 m)
Deck width35 ft (10.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic506 (2014)
Projected traffic830 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Mosherville Road over S Br Kalamazoo River built?

It was built in 1947, making it 78 years old in 2025.

What condition is Mosherville Road over S Br Kalamazoo 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 November 2024.

How much traffic does Mosherville Road over S Br Kalamazoo River carry?

About 506 vehicles per day (2014 count).

How long is Mosherville Road over S Br Kalamazoo River?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 35 ft wide.

Who owns Mosherville Road over S Br Kalamazoo River?

It is owned by the County Highway Agency.