US Bridges

Lincoln Road over Drain #73

Fair

Gratiot County, Michigan · Sec 32 Pine River Twp · Structure no. 000000000003146

Built
1930
95 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
4,800
2003 count
Owner
County
County Highway Agency

About this bridge

Lincoln Road over Drain #73 is a steel stringer/multi-beam or girder carrying Lincoln Road over Drain #73 in Gratiot County, Michigan. It was built in 1930, so it is 95 years old, older 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 4,800 vehicles a day, projected to reach 6,480 by 2023. The structure is 37 ft (11.2 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesLincoln Road
CrossesDrain #73
LocationSec 32 Pine River Twp
RouteCounty Highway 2974
CountyGratiot County
StateMichigan
Coordinates43.37914, -84.70578
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating34.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length37 ft (11.2 m)
Longest span32 ft (9.7 m)
Deck width36 ft (11.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,800 (2003)
Projected traffic6,480 by 2023
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$190,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lincoln Road over Drain #73 built?

It was built in 1930, making it 95 years old in 2025.

What condition is Lincoln Road over Drain #73 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 June 2024.

How much traffic does Lincoln Road over Drain #73 carry?

About 4,800 vehicles per day (2003 count).

How long is Lincoln Road over Drain #73?

The structure is 37 ft (11.2 m) long with a longest span of 32 ft (9.7 m) and a deck 36 ft wide.

Who owns Lincoln Road over Drain #73?

It is owned by the County Highway Agency.