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M-14 bridge in Ann Arbor rated low-fair; replacement estimated at $150M–$380M
Summary
A staff member said the M-14 bridge over Barton Drive and the Huron River on Ann Arbor's north side has exceeded its service life and needs full replacement; the bridge alone is estimated at about $150 million, and rebuilding interchanges and nearby roads could push costs to roughly $380 million.
A staff member speaking at a meeting said the M-14 bridge over Barton Drive and the Huron River on the north side of Ann Arbor has exceeded its service life and needs full replacement, with an initial cost estimate of roughly $150 million and a broader package, including interchange and road work, reaching about $380 million.
The presenter said the bridge, built in 1956, “is currently at the low end of our fair rated structure ratings,” and that although the bridge “looks pretty nice on the outside,” the underside shows “outdated designs and material and rust,” including deterioration at a pier in the river that “needs to get replaced as well.” The speaker said crews have performed several rehabilitation projects and ongoing maintenance to address deck deterioration, railing repairs and structural-steel work, but that “the only proper fix would be a full replacement.”
The bridge carries the U.S. 23 business route and provides a primary entry into Ann Arbor and access to the University of Michigan and the University of Michigan Hospital, according to the presenter. The speaker said the structure is an important artery for daily commutes and major city events, including Michigan football games and the Ann Arbor art fair.
The presenter described operational problems at the interchanges surrounding the bridge, citing the Barton ramps and the off-ramps connecting M-14 and the U.S. 23 business route. The speaker said planners have been working with local partners to seek “a better layout for the interchanges,” and that interchange work must be packaged with a bridge replacement to make the area function properly.
On cost and funding, the staff member said, “for a bridge of this size, in this magnitude, we've estimated roughly to be around a $150,000,000 to replace it, which equates to nearly 4 times our annual budget.” The speaker added that when the bridge replacement is combined with future road and other bridge work in the area, “we're pushing close to $380,000,000 job,” and that that scale of work would limit funding available for other projects across the region.
The presenter appealed to state lawmakers, saying, “I'd say to any Michigan legislator in any district, house or senate, you know, this is a vital example of what we need to be able to depend on from the state of Michigan.” The transcript provided no formal motion or vote on the project.
No statutory citations or formal authorizations were reported in the transcript excerpt. The speaker described the condition, the scope of work that would be required, past rehabilitation efforts and the estimated costs, but did not specify a funding source or timeline for design or construction.
