US Bridges

Kalmbach RD over I-94

Poor

Washtenaw County, Michigan · 1.9 MI E of Jackson Col · Structure no. 000000000010936

Built
1960
65 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
237 ft
4 main spans
Daily traffic
1,349
1994 count
Owner
State
State Highway Agency

About this bridge

Kalmbach RD over I-94 is a steel stringer/multi-beam or girder carrying Kalmbach RD over I-94 in Washtenaw 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.

It carries about 1,349 vehicles a day, roughly 3% of them trucks, projected to reach 1,551 by 2014. The structure is 237 ft (72.2 m) long and 33 ft wide.

Location

Open in Google Maps
CarriesKalmbach RD
CrossesI-94
Location1.9 MI E of Jackson Col
RouteCounty Highway 8168
CountyWashtenaw County
StateMichigan
Coordinates42.29727, -84.09392
Functional classRural Major 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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.5 US tons
Inventory rating43.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length237 ft (72.2 m)
Longest span82 ft (25 m)
Deck width33 ft (10 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,349 (1994)
Projected traffic1,551 by 2014
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Kalmbach RD over I-94 built?

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

What condition is Kalmbach RD over I-94 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 June 2024.

How much traffic does Kalmbach RD over I-94 carry?

About 1,349 vehicles per day (1994 count), of which roughly 3% are trucks.

How long is Kalmbach RD over I-94?

The structure is 237 ft (72.2 m) long with a longest span of 82 ft (25 m) and a deck 33 ft wide.

Who owns Kalmbach RD over I-94?

It is owned by the State Highway Agency.