US Bridges

Springport Road over US-127

Fair

Jackson County, Michigan · 0.3 MI N of I-94 · Structure no. 000000000004461

Built
1971
54 years old, rebuilt 2007
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
206 ft
4 main spans
Daily traffic
9,100
1982 count
Owner
State
State Highway Agency

About this bridge

Springport Road over US-127 is a steel stringer/multi-beam or girder carrying Springport Road over US-127 in Jackson County, Michigan. It was built in 1971 and reconstructed in 2007, so it is 54 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 9,100 vehicles a day, projected to reach 10,465 by 2002. The structure is 206 ft (62.8 m) long and 59 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSpringport Road
CrossesUS-127
Location0.3 MI N of I-94
RouteCounty Highway 0
CountyJackson County
StateMichigan
Coordinates42.27858, -84.43168
Functional classUrban Collector

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 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.4 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length206 ft (62.8 m)
Longest span73 ft (22.2 m)
Deck width59 ft (18 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,100 (1982)
Projected traffic10,465 by 2002
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 Springport Road over US-127 built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2007.

What condition is Springport Road over US-127 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 Springport Road over US-127 carry?

About 9,100 vehicles per day (1982 count).

How long is Springport Road over US-127?

The structure is 206 ft (62.8 m) long with a longest span of 73 ft (22.2 m) and a deck 59 ft wide.

Who owns Springport Road over US-127?

It is owned by the State Highway Agency.