US Bridges

Steinbach Road over Mill Creek

Fair

Washtenaw County, Michigan · Lima Twp Sec 23 & 24 · Structure no. 000000000011023

Built
1984
41 years old
Condition
Fair
inspected June 2023
Type
Slab
Wood or Timber
Length
70 ft
3 main spans
Daily traffic
87
2003 count
Owner
County
County Highway Agency

About this bridge

Steinbach Road over Mill Creek is a wood or timber slab carrying Steinbach Road over Mill Creek in Washtenaw County, Michigan. It was built in 1984, so it is 41 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 87 vehicles a day, roughly 7% of them trucks, projected to reach 110 by 2023. The structure is 70 ft (21.3 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesSteinbach Road
CrossesMill Creek
LocationLima Twp Sec 23 & 24
RouteCounty Highway 0
CountyWashtenaw County
StateMichigan
Coordinates42.28523, -83.9174
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating54.2 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20 + Mod
Structure length70 ft (21.3 m)
Longest span26 ft (7.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87 (2003)
Projected traffic110 by 2023
Trucks7%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$260,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Steinbach Road over Mill Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Steinbach Road over Mill Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does Steinbach Road over Mill Creek carry?

About 87 vehicles per day (2003 count), of which roughly 7% are trucks.

How long is Steinbach Road over Mill Creek?

The structure is 70 ft (21.3 m) long with a longest span of 26 ft (7.9 m) and a deck 32 ft wide.

Who owns Steinbach Road over Mill Creek?

It is owned by the County Highway Agency.