US Bridges

Rosebush Road over Spring Creek

Good

Isabella County, Michigan · 0.3 M W NE Cor Sec 14 T15 · Structure no. 000000000004286

Built
1999
26 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
30 ft
1 main span
Daily traffic
1,860
2002 count
Owner
County
County Highway Agency

About this bridge

Rosebush Road over Spring Creek is a concrete culvert carrying Rosebush Road over Spring Creek in Isabella County, Michigan. It was built in 1999, so it is 26 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 1,860 vehicles a day, projected to reach 2,760 by 2022. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesRosebush Road
CrossesSpring Creek
Location0.3 M W NE Cor Sec 14 T15
RouteCounty Highway 3762
CountyIsabella County
StateMichigan
Coordinates43.69845, -84.75501
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMay 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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.8 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,860 (2002)
Projected traffic2,760 by 2022
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Rosebush Road over Spring Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Rosebush Road over Spring 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 May 2024.

How much traffic does Rosebush Road over Spring Creek carry?

About 1,860 vehicles per day (2002 count).

How long is Rosebush Road over Spring Creek?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m).

Who owns Rosebush Road over Spring Creek?

It is owned by the County Highway Agency.