US Bridges

Huron City Road over Tinsey Drain

Fair

Huron County, Michigan · Sec. 16 Huron Twp. · Structure no. 000000000003549

Built
1940
85 years old, rebuilt 1996
Condition
Fair
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
22 ft
1 main span
Daily traffic
270
2009 count
Owner
County
County Highway Agency

About this bridge

Huron City Road over Tinsey Drain is a prestressed concrete tee beam carrying Huron City Road over Tinsey Drain in Huron County, Michigan. It was built in 1940 and reconstructed in 1996, so it is 85 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 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 270 vehicles a day, projected to reach 490 by 2029. The structure is 22 ft (6.7 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesHuron City Road
CrossesTinsey Drain
LocationSec. 16 Huron Twp.
RouteCounty Highway 0
CountyHuron County
StateMichigan
Coordinates43.99998, -82.83463
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45.7 US tons
Inventory rating35.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2009)
Projected traffic490 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 Huron City Road over Tinsey Drain built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1996.

What condition is Huron City Road over Tinsey Drain 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 August 2023.

How much traffic does Huron City Road over Tinsey Drain carry?

About 270 vehicles per day (2009 count).

How long is Huron City Road over Tinsey Drain?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 32 ft wide.

Who owns Huron City Road over Tinsey Drain?

It is owned by the County Highway Agency.