US Bridges

Hoffman Street over Rockey River

PoorPosted for load

St. Joseph County, Michigan · 0.1 MI E of US-131 · Structure no. 000000000010393

Built
1960
65 years old
Condition
Poor
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
126 ft
3 main spans
Daily traffic
4,600
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hoffman Street over Rockey River is a prestressed concrete box beam or girders - multiple carrying Hoffman Street over Rockey River in St. Joseph County, Michigan. It was built in 1960, so it is 65 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 4,600 vehicles a day, roughly 1% of them trucks, projected to reach 3,000 by 2042. The structure is 126 ft (38.4 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHoffman Street
CrossesRockey River
Location0.1 MI E of US-131
RouteCity Street 2043
Coordinates41.9544, -85.64372
Functional classUrban Collector

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating37.8 US tons
Inventory rating29.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length126 ft (38.4 m)
Longest span42 ft (12.8 m)
Deck width35 ft (10.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,600 (2022)
Projected traffic3,000 by 2042
Trucks1%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$535,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Hoffman Street over Rockey River built?

It was built in 1960, making it 65 years old in 2025.

What condition is Hoffman Street over Rockey 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 September 2024.

How much traffic does Hoffman Street over Rockey River carry?

About 4,600 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Hoffman Street over Rockey River?

The structure is 126 ft (38.4 m) long with a longest span of 42 ft (12.8 m) and a deck 35 ft wide.

Who owns Hoffman Street over Rockey River?

It is owned by the City or Municipal Highway Agency.