US Bridges

Chase Lake Road over Shiawassee River

Good

Livingston County, Michigan · Sec 28 Cohoctah Twp · Structure no. 000000000005820

Built
1956
69 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
950
2015 count
Owner
County
County Highway Agency

About this bridge

Chase Lake Road over Shiawassee River is a steel stringer/multi-beam or girder carrying Chase Lake Road over Shiawassee River in Livingston County, Michigan. It was built in 1956, so it is 69 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 950 vehicles a day, projected to reach 1,060 by 2035. The structure is 40 ft (12.2 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesChase Lake Road
CrossesShiawassee River
LocationSec 28 Cohoctah Twp
RouteCounty Highway 0
CountyLivingston County
StateMichigan
Coordinates42.70891, -83.98212
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length40 ft (12.2 m)
Longest span38 ft (11.5 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2015)
Projected traffic1,060 by 2035
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Chase Lake Road over Shiawassee River built?

It was built in 1956, making it 69 years old in 2025.

What condition is Chase Lake Road 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 August 2024.

How much traffic does Chase Lake Road over Shiawassee River carry?

About 950 vehicles per day (2015 count).

How long is Chase Lake Road over Shiawassee River?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.5 m) and a deck 35 ft wide.

Who owns Chase Lake Road over Shiawassee River?

It is owned by the County Highway Agency.