US Bridges

Monette Street over Christiana Creek

Good

Cass County, Michigan · 3 MI E of M-62 · Structure no. 000000000001440

Built
1993
32 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
3,400
2019 count
Owner
County
County Highway Agency

About this bridge

Monette Street over Christiana Creek is a prestressed concrete stringer/multi-beam or girder carrying Monette Street over Christiana Creek in Cass County, Michigan. It was built in 1993, so it is 32 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 3,400 vehicles a day, roughly 3% of them trucks, projected to reach 4,580 by 2039. The structure is 40 ft (12.2 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMonette Street
CrossesChristiana Creek
Location3 MI E of M-62
RouteCounty Highway 1430
Coordinates41.83362, -85.9918
Functional classRural Major 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating61.8 US tons
Inventory rating37.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span36 ft (10.9 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2019)
Projected traffic4,580 by 2039
Trucks3%
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 Monette Street over Christiana Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is Monette Street over Christiana Creek 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 Monette Street over Christiana Creek carry?

About 3,400 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Monette Street over Christiana Creek?

The structure is 40 ft (12.2 m) long with a longest span of 36 ft (10.9 m) and a deck 36 ft wide.

Who owns Monette Street over Christiana Creek?

It is owned by the County Highway Agency.