US Bridges

Oliver Street over Shiawassee River

Good

Shiawassee County, Michigan · City of Owosso · Structure no. 000000000009891

Built
2007
18 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
180 ft
2 main spans
Daily traffic
9,200
2005 count
Owner
City
City or Municipal Highway Agency

About this bridge

Oliver Street over Shiawassee River is a prestressed concrete stringer/multi-beam or girder carrying Oliver Street over Shiawassee River in Shiawassee County, Michigan. It was built in 2007, so it is 18 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,200 vehicles a day, roughly 5% of them trucks, projected to reach 16,615 by 2025. The structure is 180 ft (54.9 m) long and 51 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOliver Street
CrossesShiawassee River
LocationCity of Owosso
RouteCity Street 2021
Coordinates43.00328, -84.1863
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating24.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length180 ft (54.9 m)
Longest span90 ft (27.4 m)
Deck width51 ft (15.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,200 (2005)
Projected traffic16,615 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Oliver Street over Shiawassee River built?

It was built in 2007, making it 18 years old in 2025.

What condition is Oliver Street over Shiawassee River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Oliver Street over Shiawassee River carry?

About 9,200 vehicles per day (2005 count), of which roughly 5% are trucks.

How long is Oliver Street over Shiawassee River?

The structure is 180 ft (54.9 m) long with a longest span of 90 ft (27.4 m) and a deck 51 ft wide.

Who owns Oliver Street over Shiawassee River?

It is owned by the City or Municipal Highway Agency.