US Bridges

Byron RD over Misteguay Creek

Fair

Shiawassee County, Michigan · 2.4 MI SE of Juddville · Structure no. 000000000009870

Built
1996
29 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
92
1998 count
Owner
County
County Highway Agency

About this bridge

Byron RD over Misteguay Creek is a prestressed concrete box beam or girders - multiple carrying Byron RD over Misteguay Creek in Shiawassee County, Michigan. It was built in 1996, so it is 29 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 92 vehicles a day, roughly 5% of them trucks, projected to reach 165 by 2018. The structure is 60 ft (18.2 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesByron RD
CrossesMisteguay Creek
Location2.4 MI SE of Juddville
RouteCounty Highway 0
CountyShiawassee County
StateMichigan
Coordinates43.03952, -83.94826
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating71.1 US tons
Inventory rating42.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length60 ft (18.2 m)
Longest span58 ft (17.6 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic92 (1998)
Projected traffic165 by 2018
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Byron RD over Misteguay Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Byron RD over Misteguay Creek 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 March 2024.

How much traffic does Byron RD over Misteguay Creek carry?

About 92 vehicles per day (1998 count), of which roughly 5% are trucks.

How long is Byron RD over Misteguay Creek?

The structure is 60 ft (18.2 m) long with a longest span of 58 ft (17.6 m) and a deck 31 ft wide.

Who owns Byron RD over Misteguay Creek?

It is owned by the County Highway Agency.