US Bridges

Denton Road over Sparks Fnd. Park Pond

Good

Jackson County, Michigan · Near the Cascades · Structure no. 000000000004535

Built
2007
18 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
7,050
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Denton Road over Sparks Fnd. Park Pond is a prestressed concrete box beam or girders - multiple carrying Denton Road over Sparks Fnd. Park Pond in Jackson County, Michigan. It was built in 2007, so it is 18 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,050 vehicles a day, roughly 5% of them trucks, projected to reach 10,475 by 2040. The structure is 26 ft (7.9 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesDenton Road
CrossesSparks Fnd. Park Pond
LocationNear the Cascades
RouteCity Street 0
Coordinates42.22741, -84.43175
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating107.1 US tons
Inventory rating94.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span22 ft (6.7 m)
Deck width46 ft (14 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,050 (2020)
Projected traffic10,475 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Denton Road over Sparks Fnd. Park Pond built?

It was built in 2007, making it 18 years old in 2025.

What condition is Denton Road over Sparks Fnd. Park Pond in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Denton Road over Sparks Fnd. Park Pond carry?

About 7,050 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Denton Road over Sparks Fnd. Park Pond?

The structure is 26 ft (7.9 m) long with a longest span of 22 ft (6.7 m) and a deck 46 ft wide.

Who owns Denton Road over Sparks Fnd. Park Pond?

It is owned by the City or Municipal Highway Agency.