US Bridges

Braidwood Road over I-69

Fair

St. Clair County, Michigan · 3 MI W of Emmett · Structure no. 000000000009953

Built
1982
43 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
342 ft
3 main spans
Daily traffic
164
1981 count
Owner
State
State Highway Agency

About this bridge

Braidwood Road over I-69 is a steel continuous stringer/multi-beam or girder carrying Braidwood Road over I-69 in St. Clair County, Michigan. It was built in 1982, so it is 43 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 164 vehicles a day, roughly 2% of them trucks, projected to reach 189 by 2001. The structure is 342 ft (104.2 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBraidwood Road
CrossesI-69
Location3 MI W of Emmett
RouteCounty Highway 0
Coordinates42.97799, -82.80337
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating47.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length342 ft (104.2 m)
Longest span123 ft (37.4 m)
Deck width40 ft (12.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic164 (1981)
Projected traffic189 by 2001
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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 Braidwood Road over I-69 built?

It was built in 1982, making it 43 years old in 2025.

What condition is Braidwood Road over I-69 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 November 2023.

How much traffic does Braidwood Road over I-69 carry?

About 164 vehicles per day (1981 count), of which roughly 2% are trucks.

How long is Braidwood Road over I-69?

The structure is 342 ft (104.2 m) long with a longest span of 123 ft (37.4 m) and a deck 40 ft wide.

Who owns Braidwood Road over I-69?

It is owned by the State Highway Agency.