US Bridges

US-127 SB over N Br Bad River

Fair

Gratiot County, Michigan · 5.3 MI SE of Ithaca · Structure no. 000000000003081

Built
1957
68 years old
Condition
Fair
inspected February 2025
Type
Tee Beam
Concrete
Length
39 ft
1 main span
Daily traffic
10,338
2023 count
Owner
State
State Highway Agency

About this bridge

US-127 SB over N Br Bad River is a concrete tee beam carrying US-127 SB over N Br Bad River in Gratiot 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 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 10,338 vehicles a day, roughly 8% of them trucks, projected to reach 11,425 by 2043. The structure is 39 ft (11.8 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-127 SB
CrossesN Br Bad River
Location5.3 MI SE of Ithaca
RouteU.S. Route 127
Coordinates43.24439, -84.56336
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 3 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length39 ft (11.8 m)
Longest span39 ft (11.8 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,338 (2023)
Projected traffic11,425 by 2043
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-127 SB over N Br Bad River built?

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

What condition is US-127 SB over N Br Bad River 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 February 2025.

How much traffic does US-127 SB over N Br Bad River carry?

About 10,338 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US-127 SB over N Br Bad River?

The structure is 39 ft (11.8 m) long with a longest span of 39 ft (11.8 m) and a deck 47 ft wide.

Who owns US-127 SB over N Br Bad River?

It is owned by the State Highway Agency.