US Bridges

Eppenbrock Road over Rock Falls Creek

Good

Huron County, Michigan · Sec. 28-29 Sand Beach Twp · Structure no. 000000000003641

Built
1978
47 years old
Condition
Good
inspected October 2023
Type
Culvert
Steel
Length
21 ft
1 main span
Daily traffic
130
2009 count
Owner
County
County Highway Agency

About this bridge

Eppenbrock Road over Rock Falls Creek is a steel culvert carrying Eppenbrock Road over Rock Falls Creek in Huron County, Michigan. It was built in 1978, so it is 47 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 130 vehicles a day, projected to reach 230 by 2029. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesEppenbrock Road
CrossesRock Falls Creek
LocationSec. 28-29 Sand Beach Twp
RouteCounty Highway 0
CountyHuron County
StateMichigan
Coordinates43.79969, -82.72211
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating28.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadH 20
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2009)
Projected traffic230 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Eppenbrock Road over Rock Falls Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Eppenbrock Road over Rock Falls 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 2023.

How much traffic does Eppenbrock Road over Rock Falls Creek carry?

About 130 vehicles per day (2009 count).

How long is Eppenbrock Road over Rock Falls Creek?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m).

Who owns Eppenbrock Road over Rock Falls Creek?

It is owned by the County Highway Agency.