US Bridges

Zeeb Road over Huron River

Fair

Washtenaw County, Michigan · SC10 Twp Sec 9 & 10 · Structure no. 000000000010998

Built
1961
64 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete Continuous
Length
110 ft
3 main spans
Daily traffic
7,241
2010 count
Owner
County
County Highway Agency

About this bridge

Zeeb Road over Huron River is a concrete continuous slab carrying Zeeb Road over Huron River in Washtenaw County, Michigan. It was built in 1961, so it is 64 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 7,241 vehicles a day, roughly 8% of them trucks, projected to reach 11,865 by 2031. The structure is 110 ft (33.5 m) long and 34 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesZeeb Road
CrossesHuron River
LocationSC10 Twp Sec 9 & 10
RouteCounty Highway 8151
CountyWashtenaw County
StateMichigan
Coordinates42.32443, -83.83942
Functional classUrban 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
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating56.1 US tons
Inventory rating33.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length110 ft (33.5 m)
Longest span43 ft (13.1 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,241 (2010)
Projected traffic11,865 by 2031
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$625,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Zeeb Road over Huron River built?

It was built in 1961, making it 64 years old in 2025.

What condition is Zeeb Road over Huron 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 July 2023.

How much traffic does Zeeb Road over Huron River carry?

About 7,241 vehicles per day (2010 count), of which roughly 8% are trucks.

How long is Zeeb Road over Huron River?

The structure is 110 ft (33.5 m) long with a longest span of 43 ft (13.1 m) and a deck 34 ft wide.

Who owns Zeeb Road over Huron River?

It is owned by the County Highway Agency.