US Bridges

Small Acres Lane over Pine Lake Outlet Drain

PoorPosted for load

Ingham County, Michigan · 1.3 MI NW of Okemos · Structure no. 000000000003910

Built
1925
100 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
10
2019 count
Owner
County
County Highway Agency

About this bridge

Small Acres Lane over Pine Lake Outlet Drain is a steel stringer/multi-beam or girder carrying Small Acres Lane over Pine Lake Outlet Drain in Ingham County, Michigan. It was built in 1925, so it is 100 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 2 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, projected to reach 20 by 2039. The structure is 26 ft (7.9 m) long and 21 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSmall Acres Lane
CrossesPine Lake Outlet Drain
Location1.3 MI NW of Okemos
RouteCounty Highway 0
Coordinates42.72408, -84.44407
Functional classRural Local

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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating15.3 US tons
Inventory rating8.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length26 ft (7.9 m)
Longest span26 ft (7.9 m)
Deck width21 ft (6.5 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2019)
Projected traffic20 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$569,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Small Acres Lane over Pine Lake Outlet Drain built?

It was built in 1925, making it 100 years old in 2025.

What condition is Small Acres Lane over Pine Lake Outlet Drain 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 Small Acres Lane over Pine Lake Outlet Drain carry?

About 10 vehicles per day (2019 count).

How long is Small Acres Lane over Pine Lake Outlet Drain?

The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m) and a deck 21 ft wide.

Who owns Small Acres Lane over Pine Lake Outlet Drain?

It is owned by the County Highway Agency.