US Bridges

US-127 NB over Territorial RD

Fair

Jackson County, Michigan · 0.8 MI S of CO Line · Structure no. 000000000004466

Built
1966
59 years old, rebuilt 2007
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
105 ft
3 main spans
Daily traffic
9,599
2007 count
Owner
State
State Highway Agency

About this bridge

US-127 NB over Territorial RD is a steel stringer/multi-beam or girder carrying US-127 NB over Territorial RD in Jackson County, Michigan. It was built in 1966 and reconstructed in 2007, so it is 59 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 9,599 vehicles a day, roughly 10% of them trucks, projected to reach 11,527 by 2018. The structure is 105 ft (32.1 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-127 NB
CrossesTerritorial RD
Location0.8 MI S of CO Line
RouteU.S. Route 127
Coordinates42.41148, -84.42899
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJuly 2023
Inspection intervalevery 24 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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating40.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length105 ft (32.1 m)
Longest span42 ft (12.7 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,599 (2007)
Projected traffic11,527 by 2018
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-127 NB over Territorial RD built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2007.

What condition is US-127 NB over Territorial 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 July 2023.

How much traffic does US-127 NB over Territorial RD carry?

About 9,599 vehicles per day (2007 count), of which roughly 10% are trucks.

How long is US-127 NB over Territorial RD?

The structure is 105 ft (32.1 m) long with a longest span of 42 ft (12.7 m) and a deck 42 ft wide.

Who owns US-127 NB over Territorial RD?

It is owned by the State Highway Agency.