US Bridges

Yale Road over S Br Mill Creek Drain

PoorPosted for load

St. Clair County, Michigan · Sec 7-18 Brockway Twp · Structure no. 000000000010075

Built
1989
36 years old
Condition
Poor
inspected November 2024
Type
Tee Beam
Prestressed Concrete
Length
105 ft
3 main spans
Daily traffic
2,602
2015 count
Owner
County
County Highway Agency

About this bridge

Yale Road over S Br Mill Creek Drain is a prestressed concrete tee beam carrying Yale Road over S Br Mill Creek Drain in St. Clair County, Michigan. It was built in 1989, so it is 36 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 2,602 vehicles a day, roughly 11% of them trucks, projected to reach 3,850 by 2035. The structure is 105 ft (32 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesYale Road
CrossesS Br Mill Creek Drain
LocationSec 7-18 Brockway Twp
RouteCounty Highway 7794
Coordinates43.12833, -82.86421
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating34.3 US tons
Inventory rating20.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length105 ft (32 m)
Longest span35 ft (10.7 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,602 (2015)
Projected traffic3,850 by 2035
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Yale Road over S Br Mill Creek Drain built?

It was built in 1989, making it 36 years old in 2025.

What condition is Yale Road over S Br Mill Creek 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 November 2024.

How much traffic does Yale Road over S Br Mill Creek Drain carry?

About 2,602 vehicles per day (2015 count), of which roughly 11% are trucks.

How long is Yale Road over S Br Mill Creek Drain?

The structure is 105 ft (32 m) long with a longest span of 35 ft (10.7 m) and a deck 36 ft wide.

Who owns Yale Road over S Br Mill Creek Drain?

It is owned by the County Highway Agency.