US Bridges

Lansing Road over Gtw RR & Garrison RD

Fair

Shiawassee County, Michigan · 1 Mile NW of Durand · Structure no. 000000000009784

Built
1992
33 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
156 ft
2 main spans
Daily traffic
3,723
2011 count
Owner
County
County Highway Agency

About this bridge

Lansing Road over Gtw RR & Garrison RD is a prestressed concrete stringer/multi-beam or girder carrying Lansing Road over Gtw RR & Garrison RD in Shiawassee County, Michigan. It was built in 1992, so it is 33 years old, younger 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 3,723 vehicles a day, roughly 20% of them trucks, projected to reach 5,532 by 2031. The structure is 156 ft (47.5 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesLansing Road
CrossesGtw RR & Garrison RD
Location1 Mile NW of Durand
RouteCounty Highway 7628
CountyShiawassee County
StateMichigan
Coordinates42.92381, -84.01067
Functional classRural Major 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.1 US tons
Inventory rating43.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length156 ft (47.5 m)
Longest span74 ft (22.5 m)
Deck width43 ft (13.2 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,723 (2011)
Projected traffic5,532 by 2031
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Lansing Road over Gtw RR & Garrison RD built?

It was built in 1992, making it 33 years old in 2025.

What condition is Lansing Road over Gtw RR & Garrison 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 March 2024.

How much traffic does Lansing Road over Gtw RR & Garrison RD carry?

About 3,723 vehicles per day (2011 count), of which roughly 20% are trucks.

How long is Lansing Road over Gtw RR & Garrison RD?

The structure is 156 ft (47.5 m) long with a longest span of 74 ft (22.5 m) and a deck 43 ft wide.

Who owns Lansing Road over Gtw RR & Garrison RD?

It is owned by the County Highway Agency.