US Bridges

M-36 over Sycamore Creek

Poor

Ingham County, Michigan · In Mason (ash St) · Structure no. 000000000003695

Built
1918
107 years old
Condition
Poor
inspected July 2024
Type
Tee Beam
Concrete
Length
29 ft
1 main span
Daily traffic
5,910
2015 count
Owner
State
State Highway Agency

About this bridge

M-36 over Sycamore Creek is a concrete tee beam carrying M-36 over Sycamore Creek in Ingham County, Michigan. It was built in 1918, so it is 107 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 5,910 vehicles a day, roughly 3% of them trucks, projected to reach 6,829 by 2018. The structure is 29 ft (8.9 m) long and 50 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesM-36
CrossesSycamore Creek
LocationIn Mason (ash St)
RouteState Highway 36
CountyIngham County
StateMichigan
Coordinates42.57918, -84.44746
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length29 ft (8.9 m)
Longest span28 ft (8.4 m)
Deck width50 ft (15.2 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,910 (2015)
Projected traffic6,829 by 2018
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on 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 M-36 over Sycamore Creek built?

It was built in 1918, making it 107 years old in 2025.

What condition is M-36 over Sycamore Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does M-36 over Sycamore Creek carry?

About 5,910 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is M-36 over Sycamore Creek?

The structure is 29 ft (8.9 m) long with a longest span of 28 ft (8.4 m) and a deck 50 ft wide.

Who owns M-36 over Sycamore Creek?

It is owned by the State Highway Agency.