US Bridges

River Park RD over Carp River

Good

Marquette County, Michigan · 0.1 M E of N Lakeshore DR · Structure no. 000000000013479

Built
1996
29 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
1,000
2008 count
Owner
City
City or Municipal Highway Agency

About this bridge

River Park RD over Carp River is a concrete culvert carrying River Park RD over Carp River in Marquette County, Michigan. It was built in 1996, so it is 29 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 1,000 vehicles a day, roughly 5% of them trucks, projected to reach 2,000 by 2018. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRiver Park RD
CrossesCarp River
Location0.1 M E of N Lakeshore DR
RouteCity Street 0
Coordinates46.50215, -87.68149
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating72.3 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2008)
Projected traffic2,000 by 2018
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 River Park RD over Carp River built?

It was built in 1996, making it 29 years old in 2025.

What condition is River Park RD over Carp River 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 November 2023.

How much traffic does River Park RD over Carp River carry?

About 1,000 vehicles per day (2008 count), of which roughly 5% are trucks.

How long is River Park RD over Carp River?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns River Park RD over Carp River?

It is owned by the City or Municipal Highway Agency.