US Bridges

S Washington Ave over Grand River

Fair

Ingham County, Michigan · In the City of Lansing · Structure no. 000000000003948

Built
1987
38 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
154 ft
1 main span
Daily traffic
9,050
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

S Washington Ave over Grand River is a steel stringer/multi-beam or girder carrying S Washington Ave over Grand River in Ingham County, Michigan. It was built in 1987, so it is 38 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 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 9,050 vehicles a day, projected to reach 9,997 by 2021. The structure is 154 ft (46.9 m) long and 77 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS Washington Ave
CrossesGrand River
LocationIn the City of Lansing
RouteCity Street 2003
CountyIngham County
StateMichigan
Coordinates42.72466, -84.55232
Functional classUrban Minor Arterial

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length154 ft (46.9 m)
Longest span151 ft (45.9 m)
Deck width77 ft (23.6 m)
Roadway width51 ft (15.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,050 (2011)
Projected traffic9,997 by 2021
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S Washington Ave over Grand River built?

It was built in 1987, making it 38 years old in 2025.

What condition is S Washington Ave over Grand River 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 October 2023.

How much traffic does S Washington Ave over Grand River carry?

About 9,050 vehicles per day (2011 count).

How long is S Washington Ave over Grand River?

The structure is 154 ft (46.9 m) long with a longest span of 151 ft (45.9 m) and a deck 77 ft wide.

Who owns S Washington Ave over Grand River?

It is owned by the City or Municipal Highway Agency.