US Bridges

Round Lake Road over US-127

Fair

Clinton County, Michigan · 0.1 M N Looking Glass Riv · Structure no. 000000000012700

Built
1997
28 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
315 ft
4 main spans
Daily traffic
6,500
1997 count
Owner
State
State Highway Agency

About this bridge

Round Lake Road over US-127 is a prestressed concrete box beam or girders - multiple carrying Round Lake Road over US-127 in Clinton County, Michigan. It was built in 1997, so it is 28 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 6,500 vehicles a day, roughly 3% of them trucks, projected to reach 6,500 by 2017. The structure is 315 ft (96 m) long and 51 ft wide.

CarriesRound Lake Road
CrossesUS-127
Location0.1 M N Looking Glass Riv
RouteCounty Highway 0
Coordinates42.8565, -84.51849
Functional classRural Minor 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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating37.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length315 ft (96 m)
Longest span122 ft (37.2 m)
Deck width51 ft (15.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (1997)
Projected traffic6,500 by 2017
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Round Lake Road over US-127 built?

It was built in 1997, making it 28 years old in 2025.

What condition is Round Lake Road over US-127 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 May 2024.

How much traffic does Round Lake Road over US-127 carry?

About 6,500 vehicles per day (1997 count), of which roughly 3% are trucks.

How long is Round Lake Road over US-127?

The structure is 315 ft (96 m) long with a longest span of 122 ft (37.2 m) and a deck 51 ft wide.

Who owns Round Lake Road over US-127?

It is owned by the State Highway Agency.