US Bridges

Steinacker Road over S Br Shiawassee River

FairPosted for load

Livingston County, Michigan · Sec 21 Cochoctah Twp · Structure no. 000000000005847

Built
1958
67 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
84
2013 count
Owner
County
County Highway Agency

About this bridge

Steinacker Road over S Br Shiawassee River is a prestressed concrete box beam or girders - multiple carrying Steinacker Road over S Br Shiawassee River in Livingston County, Michigan. It was built in 1958, so it is 67 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 84 vehicles a day, projected to reach 143 by 2015. The structure is 40 ft (12.2 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSteinacker Road
CrossesS Br Shiawassee River
LocationSec 21 Cochoctah Twp
RouteCounty Highway 0
CountyLivingston County
StateMichigan
Coordinates42.72265, -83.98376
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating35.4 US tons
Inventory rating21.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length40 ft (12.2 m)
Longest span34 ft (10.5 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic84 (2013)
Projected traffic143 by 2015
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Steinacker Road over S Br Shiawassee River built?

It was built in 1958, making it 67 years old in 2025.

What condition is Steinacker Road over S Br Shiawassee River 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 September 2024.

How much traffic does Steinacker Road over S Br Shiawassee River carry?

About 84 vehicles per day (2013 count).

How long is Steinacker Road over S Br Shiawassee River?

The structure is 40 ft (12.2 m) long with a longest span of 34 ft (10.5 m) and a deck 27 ft wide.

Who owns Steinacker Road over S Br Shiawassee River?

It is owned by the County Highway Agency.