US Bridges

Colonville Road over Mc Curran Creek

PoorPosted for load

Clare County, Michigan · Sec. 24-25 Grant Twp. · Structure no. 000000000001733

Built
1981
44 years old
Condition
Poor
inspected June 2024
Type
Tee Beam
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
950
2006 count
Owner
County
County Highway Agency

About this bridge

Colonville Road over Mc Curran Creek is a prestressed concrete tee beam carrying Colonville Road over Mc Curran Creek in Clare County, Michigan. It was built in 1981, so it is 44 years old, younger 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 4 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 950 vehicles a day, projected to reach 1,700 by 2026. The structure is 40 ft (12.2 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesColonville Road
CrossesMc Curran Creek
LocationSec. 24-25 Grant Twp.
RouteCounty Highway 0
Coordinates43.84392, -84.72879
Functional classRural Minor Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating32.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length40 ft (12.2 m)
Longest span37 ft (11.2 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2006)
Projected traffic1,700 by 2026
Trucks0%
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 Colonville Road over Mc Curran Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Colonville Road over Mc Curran Creek 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 June 2024.

How much traffic does Colonville Road over Mc Curran Creek carry?

About 950 vehicles per day (2006 count).

How long is Colonville Road over Mc Curran Creek?

The structure is 40 ft (12.2 m) long with a longest span of 37 ft (11.2 m) and a deck 36 ft wide.

Who owns Colonville Road over Mc Curran Creek?

It is owned by the County Highway Agency.