US Bridges

Braidwood Road over Belle River

PoorPosted for load

St. Clair County, Michigan · Sec. 27-28 Riley Twp. · Structure no. 000000000010223

Built
1940
85 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
1 main span
Daily traffic
430
1994 count
Owner
County
County Highway Agency

About this bridge

Braidwood Road over Belle River is a steel stringer/multi-beam or girder carrying Braidwood Road over Belle River in St. Clair County, Michigan. It was built in 1940, so it is 85 years old, older 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 430 vehicles a day, roughly 3% of them trucks, projected to reach 500 by 2014. The structure is 61 ft (18.6 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBraidwood Road
CrossesBelle River
LocationSec. 27-28 Riley Twp.
RouteCounty Highway 0
Coordinates42.91615, -82.80047
Functional classRural Local

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.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating54.7 US tons
Inventory rating32.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length61 ft (18.6 m)
Longest span58 ft (17.6 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic430 (1994)
Projected traffic500 by 2014
Trucks3%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$55,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Braidwood Road over Belle River built?

It was built in 1940, making it 85 years old in 2025.

What condition is Braidwood Road over Belle River 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 Braidwood Road over Belle River carry?

About 430 vehicles per day (1994 count), of which roughly 3% are trucks.

How long is Braidwood Road over Belle River?

The structure is 61 ft (18.6 m) long with a longest span of 58 ft (17.6 m) and a deck 27 ft wide.

Who owns Braidwood Road over Belle River?

It is owned by the County Highway Agency.