US Bridges

Coldwater RD over I-75

Poor

Genesee County, Michigan · 6.1 MI S of M-57 · Structure no. 000000000002507

Built
1957
68 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
203 ft
4 main spans
Daily traffic
3,308
1996 count
Owner
State
State Highway Agency

About this bridge

Coldwater RD over I-75 is a steel stringer/multi-beam or girder carrying Coldwater RD over I-75 in Genesee County, Michigan. It was built in 1957, so it is 68 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.

It carries about 3,308 vehicles a day, roughly 3% of them trucks, projected to reach 6,000 by 2016. The structure is 203 ft (61.8 m) long and 55 ft wide.

Location

Open in Google Maps
CarriesColdwater RD
CrossesI-75
Location6.1 MI S of M-57
RouteCounty Highway 2002
CountyGenesee County
StateMichigan
Coordinates43.08974, -83.76286
Functional classUrban Minor Arterial

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.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.7 US tons
Inventory rating50.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length203 ft (61.8 m)
Longest span70 ft (21.3 m)
Deck width55 ft (16.9 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,308 (1996)
Projected traffic6,000 by 2016
Trucks3%
Lanes on structure4
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 Coldwater RD over I-75 built?

It was built in 1957, making it 68 years old in 2025.

What condition is Coldwater RD over I-75 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 Coldwater RD over I-75 carry?

About 3,308 vehicles per day (1996 count), of which roughly 3% are trucks.

How long is Coldwater RD over I-75?

The structure is 203 ft (61.8 m) long with a longest span of 70 ft (21.3 m) and a deck 55 ft wide.

Who owns Coldwater RD over I-75?

It is owned by the State Highway Agency.