US Bridges

I-275 NB over Newburg RD

Fair

Monroe County, Michigan · 1 MI NE of Carleton · Structure no. 000000000007221

Built
1973
52 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
105 ft
1 main span
Daily traffic
19,015
2007 count
Owner
State
State Highway Agency

About this bridge

I-275 NB over Newburg RD is a steel stringer/multi-beam or girder carrying I-275 NB over Newburg RD in Monroe County, Michigan. It was built in 1973, so it is 52 years old, older 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 19,015 vehicles a day, roughly 19% of them trucks, projected to reach 17,579 by 2018. The structure is 105 ft (32 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-275 NB
CrossesNewburg RD
Location1 MI NE of Carleton
RouteInterstate 275
CountyMonroe County
StateMichigan
Coordinates42.0791, -83.37187
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionOctober 2024
Inspection intervalevery 11 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating102.2 US tons
Inventory rating61.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length105 ft (32 m)
Longest span105 ft (32 m)
Deck width56 ft (17.2 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,015 (2007)
Projected traffic17,579 by 2018
Trucks19%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-275 NB over Newburg RD built?

It was built in 1973, making it 52 years old in 2025.

What condition is I-275 NB over Newburg RD 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 October 2024.

How much traffic does I-275 NB over Newburg RD carry?

About 19,015 vehicles per day (2007 count), of which roughly 19% are trucks.

How long is I-275 NB over Newburg RD?

The structure is 105 ft (32 m) long with a longest span of 105 ft (32 m) and a deck 56 ft wide.

Who owns I-275 NB over Newburg RD?

It is owned by the State Highway Agency.