US Bridges

Bordman Road over Shafer Drain Extension

Good

St. Clair County, Michigan · Sec. 34 Riley Twp. · Structure no. 000000000010056

Built
2016
9 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
1,980
2015 count
Owner
County
County Highway Agency

About this bridge

Bordman Road over Shafer Drain Extension is a concrete culvert carrying Bordman Road over Shafer Drain Extension in St. Clair 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 1,980 vehicles a day, roughly 10% of them trucks, projected to reach 2,420 by 2035. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBordman Road
CrossesShafer Drain Extension
LocationSec. 34 Riley Twp.
RouteCounty Highway 7798
Coordinates42.89591, -82.78868
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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75 US tons
Inventory rating64.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadGreater than HL 93
Structure length26 ft (7.8 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,980 (2015)
Projected traffic2,420 by 2035
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Bordman Road over Shafer Drain Extension built?

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

What condition is Bordman Road over Shafer Drain Extension 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 Bordman Road over Shafer Drain Extension carry?

About 1,980 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Bordman Road over Shafer Drain Extension?

The structure is 26 ft (7.8 m) long with a longest span of 24 ft (7.3 m).

Who owns Bordman Road over Shafer Drain Extension?

It is owned by the County Highway Agency.