US Bridges

70th Street over Paw Paw River

Fair

Van Buren County, Michigan · 0.5 MI N of Red Arrow HWY · Structure no. 000000000010773

Built
1978
47 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
144 ft
3 main spans
Daily traffic
621
2019 count
Owner
County
County Highway Agency

About this bridge

70th Street over Paw Paw River is a prestressed concrete box beam or girders - multiple carrying 70th Street over Paw Paw River in Van Buren County, Michigan. It was built in 1978, so it is 47 years old, younger 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 621 vehicles a day, roughly 2% of them trucks, projected to reach 700 by 2039. The structure is 144 ft (43.9 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries70th Street
CrossesPaw Paw River
Location0.5 MI N of Red Arrow HWY
RouteCounty Highway 0
Coordinates42.2049, -86.22319
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66.5 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length144 ft (43.9 m)
Longest span45 ft (13.7 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic621 (2019)
Projected traffic700 by 2039
Trucks2%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 70th Street over Paw Paw River built?

It was built in 1978, making it 47 years old in 2025.

What condition is 70th Street over Paw Paw 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 70th Street over Paw Paw River carry?

About 621 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is 70th Street over Paw Paw River?

The structure is 144 ft (43.9 m) long with a longest span of 45 ft (13.7 m) and a deck 30 ft wide.

Who owns 70th Street over Paw Paw River?

It is owned by the County Highway Agency.