US Bridges

Bray Road over Cass River

Fair

Tuscola County, Michigan · Sec 28 Tuscola Twp · Structure no. 000000000010489

Built
1965
60 years old, rebuilt 1987
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
210 ft
4 main spans
Daily traffic
3,520
2009 count
Owner
County
County Highway Agency

About this bridge

Bray Road over Cass River is a prestressed concrete box beam or girders - multiple carrying Bray Road over Cass River in Tuscola County, Michigan. It was built in 1965 and reconstructed in 1987, so it is 60 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 3,520 vehicles a day, projected to reach 6,360 by 2029. The structure is 210 ft (64 m) long and 33 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesBray Road
CrossesCass River
LocationSec 28 Tuscola Twp
RouteCounty Highway 7907
Coordinates43.32401, -83.65711
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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
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 alignment6: Equal to present minimum criteria
Operating rating83.6 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length210 ft (64 m)
Longest span58 ft (17.8 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,520 (2009)
Projected traffic6,360 by 2029
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Bray Road over Cass River built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1987.

What condition is Bray Road over Cass 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 June 2023.

How much traffic does Bray Road over Cass River carry?

About 3,520 vehicles per day (2009 count).

How long is Bray Road over Cass River?

The structure is 210 ft (64 m) long with a longest span of 58 ft (17.8 m) and a deck 33 ft wide.

Who owns Bray Road over Cass River?

It is owned by the County Highway Agency.