US Bridges

Wadhams RD over I-69

Fair

St. Clair County, Michigan · 3.1 MI NW of I-94 · Structure no. 000000000009935

Built
1966
59 years old, rebuilt 1997
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
205 ft
4 main spans
Daily traffic
13,000
1996 count
Owner
State
State Highway Agency

About this bridge

Wadhams RD over I-69 is a prestressed concrete box beam or girders - single or spread carrying Wadhams RD over I-69 in St. Clair County, Michigan. It was built in 1966 and reconstructed in 1997, so it is 59 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.

It carries about 13,000 vehicles a day, roughly 6% of them trucks, projected to reach 13,000 by 2016. The structure is 205 ft (62.6 m) long and 35 ft wide.

Location

Open in Google Maps
CarriesWadhams RD
CrossesI-69
Location3.1 MI NW of I-94
RouteCounty Highway 2012
CountySt. Clair County
StateMichigan
Coordinates42.9794, -82.54132
Functional classUrban Minor Arterial

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.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating65.4 US tons
Inventory rating32.5 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length205 ft (62.6 m)
Longest span71 ft (21.7 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (1996)
Projected traffic13,000 by 2016
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Wadhams RD over I-69 built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1997.

What condition is Wadhams RD over I-69 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 October 2023.

How much traffic does Wadhams RD over I-69 carry?

About 13,000 vehicles per day (1996 count), of which roughly 6% are trucks.

How long is Wadhams RD over I-69?

The structure is 205 ft (62.6 m) long with a longest span of 71 ft (21.7 m) and a deck 35 ft wide.

Who owns Wadhams RD over I-69?

It is owned by the State Highway Agency.