US Bridges

Lake Road over Pine Run

PoorPosted for load

Genesee County, Michigan · 1000 Ft West of Webster · Structure no. 000000000002814

Built
1938
87 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
596
2012 count
Owner
County
County Highway Agency

About this bridge

Lake Road over Pine Run is a steel stringer/multi-beam or girder carrying Lake Road over Pine Run in Genesee County, Michigan. It was built in 1938, so it is 87 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 3 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 596 vehicles a day, roughly 2% of them trucks, projected to reach 1,076 by 2032. The structure is 36 ft (10.9 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLake Road
CrossesPine Run
Location1000 Ft West of Webster
RouteCounty Highway 0
Coordinates43.20636, -83.79766
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
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 inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating18.5 US tons
Inventory rating11 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length36 ft (10.9 m)
Longest span34 ft (10.3 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic596 (2012)
Projected traffic1,076 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lake Road over Pine Run built?

It was built in 1938, making it 87 years old in 2025.

What condition is Lake Road over Pine Run 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 November 2024.

How much traffic does Lake Road over Pine Run carry?

About 596 vehicles per day (2012 count), of which roughly 2% are trucks.

How long is Lake Road over Pine Run?

The structure is 36 ft (10.9 m) long with a longest span of 34 ft (10.3 m) and a deck 33 ft wide.

Who owns Lake Road over Pine Run?

It is owned by the County Highway Agency.