US Bridges

State Road over Tittabawassee River

Fair

Saginaw County, Michigan · 0.9 MI E of River Road · Structure no. 000000000009224

Built
1979
46 years old, rebuilt 2006
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
354 ft
5 main spans
Daily traffic
10,588
2011 count
Owner
County
County Highway Agency

About this bridge

State Road over Tittabawassee River is a prestressed concrete stringer/multi-beam or girder carrying State Road over Tittabawassee River in Saginaw County, Michigan. It was built in 1979 and reconstructed in 2006, so it is 46 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 10,588 vehicles a day, roughly 5% of them trucks, projected to reach 11,117 by 2021. The structure is 354 ft (107.9 m) long and 52 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesState Road
CrossesTittabawassee River
Location0.9 MI E of River Road
RouteCounty Highway 2004
Coordinates43.43724, -84.0465
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating50.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length354 ft (107.9 m)
Longest span71 ft (21.6 m)
Deck width52 ft (15.8 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,588 (2011)
Projected traffic11,117 by 2021
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was State Road over Tittabawassee River built?

It was built in 1979, making it 46 years old in 2025. It was reconstructed in 2006.

What condition is State Road over Tittabawassee 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 August 2023.

How much traffic does State Road over Tittabawassee River carry?

About 10,588 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is State Road over Tittabawassee River?

The structure is 354 ft (107.9 m) long with a longest span of 71 ft (21.6 m) and a deck 52 ft wide.

Who owns State Road over Tittabawassee River?

It is owned by the County Highway Agency.