US Bridges

Masters Road over Belle River

PoorPosted for load

St. Clair County, Michigan · Sec. 17-20 Riley Twp. · Structure no. 000000000010060

Built
1935
90 years old, rebuilt 2018
Condition
Poor
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
58 ft
1 main span
Daily traffic
53
2021 count
Owner
County
County Highway Agency

About this bridge

Masters Road over Belle River is a steel stringer/multi-beam or girder carrying Masters Road over Belle River in St. Clair County, Michigan. It was built in 1935 and reconstructed in 2018, so it is 90 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 53 vehicles a day, roughly 5% of them trucks, projected to reach 79 by 2041. The structure is 58 ft (17.6 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMasters Road
CrossesBelle River
LocationSec. 17-20 Riley Twp.
RouteCounty Highway 0
Coordinates42.93996, -82.83046
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating35.1 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length58 ft (17.6 m)
Longest span55 ft (16.7 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53 (2021)
Projected traffic79 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$24,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Masters Road over Belle River built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2018.

What condition is Masters 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 June 2023.

How much traffic does Masters Road over Belle River carry?

About 53 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Masters Road over Belle River?

The structure is 58 ft (17.6 m) long with a longest span of 55 ft (16.7 m) and a deck 24 ft wide.

Who owns Masters Road over Belle River?

It is owned by the County Highway Agency.