US Bridges

Coldwater Road over I-475

Fair

Genesee County, Michigan · 1 MI N of Flint City Lts · Structure no. 000000000002680

Built
1977
48 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
145 ft
2 main spans
Daily traffic
7,162
1996 count
Owner
State
State Highway Agency

About this bridge

Coldwater Road over I-475 is a steel stringer/multi-beam or girder carrying Coldwater Road over I-475 in Genesee County, Michigan. It was built in 1977, so it is 48 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 7,162 vehicles a day, roughly 4% of them trucks, projected to reach 13,000 by 2016. The structure is 145 ft (44.2 m) long and 66 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesColdwater Road
CrossesI-475
Location1 MI N of Flint City Lts
RouteCounty Highway 2002
CountyGenesee County
StateMichigan
Coordinates43.09036, -83.68631
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.8 US tons
Inventory rating52.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length145 ft (44.2 m)
Longest span73 ft (22.2 m)
Deck width66 ft (20.2 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,162 (1996)
Projected traffic13,000 by 2016
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$68,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Coldwater Road over I-475 built?

It was built in 1977, making it 48 years old in 2025.

What condition is Coldwater Road over I-475 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does Coldwater Road over I-475 carry?

About 7,162 vehicles per day (1996 count), of which roughly 4% are trucks.

How long is Coldwater Road over I-475?

The structure is 145 ft (44.2 m) long with a longest span of 73 ft (22.2 m) and a deck 66 ft wide.

Who owns Coldwater Road over I-475?

It is owned by the State Highway Agency.