US Bridges

Castor Road over N Br Carroll Creek

Good

Midland County, Michigan · Jerome Twp Sec 31 · Structure no. 000000000013971

Built
2016
9 years old
Condition
Good
inspected October 2024
Type
Slab
Wood or Timber
Length
23 ft
1 main span
Daily traffic
158
2015 count
Owner
County
County Highway Agency

About this bridge

Castor Road over N Br Carroll Creek is a wood or timber slab carrying Castor Road over N Br Carroll Creek in Midland County, Michigan. It was built in 2016, so it is 9 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 158 vehicles a day, roughly 2% of them trucks, projected to reach 244 by 2037. The structure is 23 ft (7.1 m) long and 36 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCastor Road
CrossesN Br Carroll Creek
LocationJerome Twp Sec 31
RouteCounty Highway 0
Coordinates43.64992, -84.48822
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.6 US tons
Inventory rating80 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHL 93
Structure length23 ft (7.1 m)
Longest span22 ft (6.7 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic158 (2015)
Projected traffic244 by 2037
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Castor Road over N Br Carroll Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Castor Road over N Br Carroll 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 Castor Road over N Br Carroll Creek carry?

About 158 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Castor Road over N Br Carroll Creek?

The structure is 23 ft (7.1 m) long with a longest span of 22 ft (6.7 m) and a deck 36 ft wide.

Who owns Castor Road over N Br Carroll Creek?

It is owned by the County Highway Agency.