US Bridges

Burnside Road over North Br Flint River

FairPosted for load

Lapeer County, Michigan · Deerfield Twp Sec 8-17 · Structure no. 000000000005410

Built
1978
47 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
378
2020 count
Owner
County
County Highway Agency

About this bridge

Burnside Road over North Br Flint River is a prestressed concrete box beam or girders - multiple carrying Burnside Road over North Br Flint River in Lapeer County, Michigan. It was built in 1978, so it is 47 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 378 vehicles a day, roughly 3% of them trucks, projected to reach 461 by 2040. The structure is 58 ft (17.6 m) long and 15 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBurnside Road
CrossesNorth Br Flint River
LocationDeerfield Twp Sec 8-17
RouteCounty Highway 0
Coordinates43.2045, -83.32097
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating50.4 US tons
Inventory rating30.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length58 ft (17.6 m)
Longest span56 ft (17 m)
Deck width15 ft (4.6 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic378 (2020)
Projected traffic461 by 2040
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 Burnside Road over North Br Flint River built?

It was built in 1978, making it 47 years old in 2025.

What condition is Burnside Road over North Br Flint River 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 March 2023.

How much traffic does Burnside Road over North Br Flint River carry?

About 378 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Burnside Road over North Br Flint River?

The structure is 58 ft (17.6 m) long with a longest span of 56 ft (17 m) and a deck 15 ft wide.

Who owns Burnside Road over North Br Flint River?

It is owned by the County Highway Agency.