US Bridges

East Delhi Road over Huron River

FairPosted for load

Washtenaw County, Michigan · Scio Twp Sec 2 · Structure no. 000000000011029

Built
1900
125 years old, rebuilt 2008
Condition
Fair
inspected May 2024
Type
Truss - Thru
Steel
Length
109 ft
1 main span
Daily traffic
750
2008 count
Owner
County
County Highway Agency

About this bridge

East Delhi Road over Huron River is a steel truss - thru carrying East Delhi Road over Huron River in Washtenaw County, Michigan. It was built in 1900 and reconstructed in 2008, so it is 125 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 750 vehicles a day, projected to reach 1,250 by 2028. The structure is 109 ft (33.2 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesEast Delhi Road
CrossesHuron River
LocationScio Twp Sec 2
RouteCounty Highway 0
Coordinates42.33392, -83.80916
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 12 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating27.4 US tons
Inventory rating21.1 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20 + Mod
Structure length109 ft (33.2 m)
Longest span109 ft (33.2 m)
Deck width19 ft (5.8 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deck14 ft (4.4 m)

Traffic and service

Average daily traffic750 (2008)
Projected traffic1,250 by 2028
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was East Delhi Road over Huron River built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 2008.

What condition is East Delhi 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 May 2024.

How much traffic does East Delhi Road over Huron River carry?

About 750 vehicles per day (2008 count).

How long is East Delhi Road over Huron River?

The structure is 109 ft (33.2 m) long with a longest span of 109 ft (33.2 m) and a deck 19 ft wide.

Who owns East Delhi Road over Huron River?

It is owned by the County Highway Agency.