US Bridges

Bath Road over Rowley Creek

Fair

Shiawassee County, Michigan · 3 Miles West of Byron · Structure no. 000000000009780

Built
1900
125 years old, rebuilt 1965
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
733
2011 count
Owner
County
County Highway Agency

About this bridge

Bath Road over Rowley Creek is a steel stringer/multi-beam or girder carrying Bath Road over Rowley Creek in Shiawassee County, Michigan. It was built in 1900 and reconstructed in 1965, so it is 125 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 733 vehicles a day, roughly 3% of them trucks, projected to reach 1,090 by 2031. The structure is 30 ft (9.1 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesBath Road
CrossesRowley Creek
Location3 Miles West of Byron
RouteCounty Highway 7616
CountyShiawassee County
StateMichigan
Coordinates42.82288, -84.00081
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
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 protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating38.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span27 ft (8.2 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic733 (2011)
Projected traffic1,090 by 2031
Trucks3%
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 Bath Road over Rowley Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1965.

What condition is Bath Road over Rowley 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 May 2024.

How much traffic does Bath Road over Rowley Creek carry?

About 733 vehicles per day (2011 count), of which roughly 3% are trucks.

How long is Bath Road over Rowley Creek?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 26 ft wide.

Who owns Bath Road over Rowley Creek?

It is owned by the County Highway Agency.