US Bridges

US-127 SB over Conrail & Huntoon Creek

Fair

Ingham County, Michigan · 0.3 MI N of Jackson Col · Structure no. 000000000003701

Built
1957
68 years old, rebuilt 2007
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
303 ft
4 main spans
Daily traffic
9,599
2007 count
Owner
State
State Highway Agency

About this bridge

US-127 SB over Conrail & Huntoon Creek is a steel stringer/multi-beam or girder carrying US-127 SB over Conrail & Huntoon Creek in Ingham County, Michigan. It was built in 1957 and reconstructed in 2007, 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 6 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 9% of them trucks, projected to reach 11,527 by 2018. The structure is 303 ft (92.4 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-127 SB
CrossesConrail & Huntoon Creek
Location0.3 MI N of Jackson Col
RouteU.S. Route 127
Coordinates42.42873, -84.43864
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.6 US tons
Inventory rating62.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length303 ft (92.4 m)
Longest span78 ft (23.7 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,599 (2007)
Projected traffic11,527 by 2018
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad and waterway
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 proposedDeck replacement with only incidental widening
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-127 SB over Conrail & Huntoon Creek built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2007.

What condition is US-127 SB over Conrail & Huntoon Creek 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 June 2024.

How much traffic does US-127 SB over Conrail & Huntoon Creek carry?

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

How long is US-127 SB over Conrail & Huntoon Creek?

The structure is 303 ft (92.4 m) long with a longest span of 78 ft (23.7 m) and a deck 36 ft wide.

Who owns US-127 SB over Conrail & Huntoon Creek?

It is owned by the State Highway Agency.