US Bridges

M-20 & US-10 Br WB over Old US-10 Saginaw RD

Fair

Midland County, Michigan · In Midland (saginaw Rd) · Structure no. 000000000006893

Built
1960
65 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete Continuous
Length
165 ft
3 main spans
Daily traffic
9,000
2013 count
Owner
State
State Highway Agency

About this bridge

M-20 & US-10 Br WB over Old US-10 Saginaw RD is a concrete continuous tee beam carrying M-20 & US-10 Br WB over Old US-10 Saginaw RD in Midland County, Michigan. It was built in 1960, so it is 65 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 9,000 vehicles a day, roughly 2% of them trucks, projected to reach 11,850 by 2033. The structure is 165 ft (50.4 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesM-20 & US-10 Br WB
CrossesOld US-10 Saginaw RD
LocationIn Midland (saginaw Rd)
RouteState Highway 20
Coordinates43.61155, -84.21094
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
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 geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating35.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length165 ft (50.4 m)
Longest span68 ft (20.6 m)
Deck width50 ft (15.1 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,000 (2013)
Projected traffic11,850 by 2033
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 M-20 & US-10 Br WB over Old US-10 Saginaw RD built?

It was built in 1960, making it 65 years old in 2025.

What condition is M-20 & US-10 Br WB over Old US-10 Saginaw RD 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 June 2024.

How much traffic does M-20 & US-10 Br WB over Old US-10 Saginaw RD carry?

About 9,000 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is M-20 & US-10 Br WB over Old US-10 Saginaw RD?

The structure is 165 ft (50.4 m) long with a longest span of 68 ft (20.6 m) and a deck 50 ft wide.

Who owns M-20 & US-10 Br WB over Old US-10 Saginaw RD?

It is owned by the State Highway Agency.