US Bridges

North Burr Oak RD over Little Swan Creek

PoorPosted for load

St. Joseph County, Michigan · 3 MI South of Colon · Structure no. 000000000010321

Built
1963
62 years old
Condition
Poor
inspected November 2024
Type
Slab
Wood or Timber
Length
26 ft
1 main span
Daily traffic
824
2022 count
Owner
County
County Highway Agency

About this bridge

North Burr Oak RD over Little Swan Creek is a wood or timber slab carrying North Burr Oak RD over Little Swan Creek in St. Joseph County, Michigan. It was built in 1963, so it is 62 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 824 vehicles a day, roughly 16% of them trucks, projected to reach 875 by 2042. The structure is 26 ft (7.9 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNorth Burr Oak RD
CrossesLittle Swan Creek
Location3 MI South of Colon
RouteCounty Highway 7883
Coordinates41.92119, -85.31194
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionNovember 2024
Inspection intervalevery 12 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40.1 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span26 ft (7.9 m)
Deck width30 ft (9 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic824 (2022)
Projected traffic875 by 2042
Trucks16%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was North Burr Oak RD over Little Swan Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is North Burr Oak RD over Little Swan Creek 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 North Burr Oak RD over Little Swan Creek carry?

About 824 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is North Burr Oak RD over Little Swan Creek?

The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m) and a deck 30 ft wide.

Who owns North Burr Oak RD over Little Swan Creek?

It is owned by the County Highway Agency.